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**To find ratio or missing value:** Enter * x* in one of the input boxes or leave the box empty.

**To compare fractions: **Enter values in all input boxes.

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Table of Contents:

Ratio calculator finds the missing value of ratio in given fractions. It also compares fractions if all fractions values are given.

In mathematics, a ratio indicates how many times one number contains another.

For example:

2/5 : 3/4

To find a missing value in ratio, you need to perform cross multiplication.

**Example:**

Evaluate 3/5 : 3/x

**Solution:**

**Step 1: **Cross multiply both fractions to find the value of x.

3/5 = 3/x

3x = 3*5

3x = 15

x = 15/3

x = 5

In case you are dealing with a proportion, you can use proportion calculator.

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