Home / 2,475.24-3,414.12-1,687.92

Finding the Fourth Proportional to 2,475.24, 3,414.12 and 1,687.92

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Solution

The fourth proportional to 2,475.24, 3,414.12 and 1,687.92 is: 2,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.24 : 3,414.12 = 1,687.92 : x
  2. Step 2: Convert to fraction form
    2,475.24/3,414.12 = 1,687.92/x
  3. Step 3: Cross multiply
    2,475.24x = 3,414.12 × 1,687.92
  4. Step 4: Simplify right side
    2,475.24x = 5,762,761.43
  5. Step 5: Solve for x
    x = 5,762,761.43/2,475.24
  6. Step 6: Final answer
    x = 2,328.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.