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Finding the Fourth Proportional to 3,608.71, 5,413.07 and 2,952.61

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Solution

The fourth proportional to 3,608.71, 5,413.07 and 2,952.61 is: 4,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.71 : 5,413.07 = 2,952.61 : x
  2. Step 2: Convert to fraction form
    3,608.71/5,413.07 = 2,952.61/x
  3. Step 3: Cross multiply
    3,608.71x = 5,413.07 × 2,952.61
  4. Step 4: Simplify right side
    3,608.71x = 15,982,684.61
  5. Step 5: Solve for x
    x = 15,982,684.61/3,608.71
  6. Step 6: Final answer
    x = 4,428.92

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Similar ratio
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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.