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Finding the Fourth Proportional to 3,689.94, 5,534.98 and 1,497.17

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Solution

The fourth proportional to 3,689.94, 5,534.98 and 1,497.17 is: 2,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.94 : 5,534.98 = 1,497.17 : x
  2. Step 2: Convert to fraction form
    3,689.94/5,534.98 = 1,497.17/x
  3. Step 3: Cross multiply
    3,689.94x = 5,534.98 × 1,497.17
  4. Step 4: Simplify right side
    3,689.94x = 8,286,793.39
  5. Step 5: Solve for x
    x = 8,286,793.39/3,689.94
  6. Step 6: Final answer
    x = 2,245.78

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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.