Step-by-step Answer
PAGE: 108SET: ExercisesPROBLEM: 1
Please look in your text book for this problem Statement

An equation stating that two ratios are equal is called a proportion. 

Method 1:

Ratio of the first fraction

Ratio of the second fraction

Check the ratios of fractions.

The ratios are equal. So, the ratios form a proportion.

Method 2:

Write the equation

According to Means-extremes Property of proportion: If, then .

                     (Cross products)

                              (Multiply: )

The cross products are equal. So, the ratios form a proportion.

Yes, the ratios form a proportion..


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