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Finding the Fourth Proportional to 3,062.57, 4,227.18 and 2,854.80

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Solution

The fourth proportional to 3,062.57, 4,227.18 and 2,854.80 is: 3,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.57 : 4,227.18 = 2,854.80 : x
  2. Step 2: Convert to fraction form
    3,062.57/4,227.18 = 2,854.80/x
  3. Step 3: Cross multiply
    3,062.57x = 4,227.18 × 2,854.80
  4. Step 4: Simplify right side
    3,062.57x = 12,067,753.46
  5. Step 5: Solve for x
    x = 12,067,753.46/3,062.57
  6. Step 6: Final answer
    x = 3,940.40

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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.