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Is 2.5/4 proportional with 7/11.2
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11 votes
Is 2.5/4 proportional with 7/11.2

User Vchan
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10 votes

Answer: Only if their cross products are equal.

If 2.5 x 11.2 = 4 x 7 then they form a proportion.

And the answer is yes

because both cross products are 28.

User Jzafrilla
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