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Finding the Fourth Proportional to 3,163.97, 4,366.08 and 1,747.62

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Solution

The fourth proportional to 3,163.97, 4,366.08 and 1,747.62 is: 2,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.97 : 4,366.08 = 1,747.62 : x
  2. Step 2: Convert to fraction form
    3,163.97/4,366.08 = 1,747.62/x
  3. Step 3: Cross multiply
    3,163.97x = 4,366.08 × 1,747.62
  4. Step 4: Simplify right side
    3,163.97x = 7,630,248.73
  5. Step 5: Solve for x
    x = 7,630,248.73/3,163.97
  6. Step 6: Final answer
    x = 2,411.61

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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.