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Finding the Fourth Proportional to 3,700.92, 5,551.36 and 1,854.30

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Solution

The fourth proportional to 3,700.92, 5,551.36 and 1,854.30 is: 2,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.92 : 5,551.36 = 1,854.30 : x
  2. Step 2: Convert to fraction form
    3,700.92/5,551.36 = 1,854.30/x
  3. Step 3: Cross multiply
    3,700.92x = 5,551.36 × 1,854.30
  4. Step 4: Simplify right side
    3,700.92x = 10,293,886.85
  5. Step 5: Solve for x
    x = 10,293,886.85/3,700.92
  6. Step 6: Final answer
    x = 2,781.44

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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.