Question

what are the 1st and 4th terms called​

Answer 1

Answer:

We know, the first term (1st) and the fourth term (4th) of a proportion are called extreme terms or extremes, and the second term (2nd) and the third term (3rd) are called middle terms or means. Therefore, in a proportion, product of extremes = product of middle terms. Thus, the ratios 6 : 8 and 12 : 16 are equal.

Step-by-step explanation:  

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