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Finding the Fourth Proportional to 3,397.76, 5,097.18 and 1,666.52

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Solution

The fourth proportional to 3,397.76, 5,097.18 and 1,666.52 is: 2,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.76 : 5,097.18 = 1,666.52 : x
  2. Step 2: Convert to fraction form
    3,397.76/5,097.18 = 1,666.52/x
  3. Step 3: Cross multiply
    3,397.76x = 5,097.18 × 1,666.52
  4. Step 4: Simplify right side
    3,397.76x = 8,494,552.41
  5. Step 5: Solve for x
    x = 8,494,552.41/3,397.76
  6. Step 6: Final answer
    x = 2,500.04

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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.