Home / 3,542.13-5,312.28-1,692.90

Finding the Fourth Proportional to 3,542.13, 5,312.28 and 1,692.90

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Solution

The fourth proportional to 3,542.13, 5,312.28 and 1,692.90 is: 2,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.13 : 5,312.28 = 1,692.90 : x
  2. Step 2: Convert to fraction form
    3,542.13/5,312.28 = 1,692.90/x
  3. Step 3: Cross multiply
    3,542.13x = 5,312.28 × 1,692.90
  4. Step 4: Simplify right side
    3,542.13x = 8,993,165.16
  5. Step 5: Solve for x
    x = 8,993,165.16/3,542.13
  6. Step 6: Final answer
    x = 2,538.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.