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Finding the Fourth Proportional to 3,167.47, 4,724.29 and 2,753.30

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Solution

The fourth proportional to 3,167.47, 4,724.29 and 2,753.30 is: 4,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.47 : 4,724.29 = 2,753.30 : x
  2. Step 2: Convert to fraction form
    3,167.47/4,724.29 = 2,753.30/x
  3. Step 3: Cross multiply
    3,167.47x = 4,724.29 × 2,753.30
  4. Step 4: Simplify right side
    3,167.47x = 13,007,406.65
  5. Step 5: Solve for x
    x = 13,007,406.65/3,167.47
  6. Step 6: Final answer
    x = 4,106.56

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1.5x scale

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.