Home / 1,692.09-2,525.76-1,570.13

Finding the Fourth Proportional to 1,692.09, 2,525.76 and 1,570.13

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Solution

The fourth proportional to 1,692.09, 2,525.76 and 1,570.13 is: 2,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.09 : 2,525.76 = 1,570.13 : x
  2. Step 2: Convert to fraction form
    1,692.09/2,525.76 = 1,570.13/x
  3. Step 3: Cross multiply
    1,692.09x = 2,525.76 × 1,570.13
  4. Step 4: Simplify right side
    1,692.09x = 3,965,768.39
  5. Step 5: Solve for x
    x = 3,965,768.39/1,692.09
  6. Step 6: Final answer
    x = 2,343.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.