# The Arthur Ravenel Jr. Bridge is the longest cable-stayed bridge in the United States. The bridge...

## Question:

The Arthur Ravenel Jr. Bridge is the longest cable-stayed bridge in the United States. The bridge has a total length of 13200 feet. Each year, the Cooper River Bridge 5K Run is held in the Spring. If there are approximately 16404 feet in 5 kilometers, what is the ratio of the portion of the race that takes place on the bridge to the entire race?

The ratio of the race on the bridge to off the bridge is?

## Ratio and Proportion

A proportion is the equation of two ratios. Such ratios may be expressed as fractions as well, which may be interpreted as a number for every number of another quantity.

## Answer and Explanation:

The ratio of the portion of the race that takes place on the bridge to the entire race is simply given by:

13200:16404

However, ratios are expressed using the least whole numbers, such that this ratio becomes:

**1100:1367**

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from Geometry: High School

Chapter 7 / Lesson 1