Home / 5,413.66-7,470.79-3,055.90

Finding the Fourth Proportional to 5,413.66, 7,470.79 and 3,055.90

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Solution

The fourth proportional to 5,413.66, 7,470.79 and 3,055.90 is: 4,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.66 : 7,470.79 = 3,055.90 : x
  2. Step 2: Convert to fraction form
    5,413.66/7,470.79 = 3,055.90/x
  3. Step 3: Cross multiply
    5,413.66x = 7,470.79 × 3,055.90
  4. Step 4: Simplify right side
    5,413.66x = 22,829,934.53
  5. Step 5: Solve for x
    x = 22,829,934.53/5,413.66
  6. Step 6: Final answer
    x = 4,217.10

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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.