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Finding the Fourth Proportional to 3,799.71, 5,245.16 and 2,472.93

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Solution

The fourth proportional to 3,799.71, 5,245.16 and 2,472.93 is: 3,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.71 : 5,245.16 = 2,472.93 : x
  2. Step 2: Convert to fraction form
    3,799.71/5,245.16 = 2,472.93/x
  3. Step 3: Cross multiply
    3,799.71x = 5,245.16 × 2,472.93
  4. Step 4: Simplify right side
    3,799.71x = 12,970,901.15
  5. Step 5: Solve for x
    x = 12,970,901.15/3,799.71
  6. Step 6: Final answer
    x = 3,413.66

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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.