Find the unknown member of the proportion 7/5 = 0.21 / a
| August 10, 2021 | education
Let’s find the unknown extreme term of the proportion:
7/5 = 0.21 / a;
7: 5 = 0.21: a (in order to find the unknown extreme term of the proportion, you need to divide the product of the middle terms of the proportion by the known extreme term);
x = (5 * 0.21) / 7;
x = (5 * 0.03) / 1;
x = 0.15 / 1;
x = 0.15.
Answer: 0.15.
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