Home / 5,260.76-7,885.80-3,413.04

Finding the Fourth Proportional to 5,260.76, 7,885.80 and 3,413.04

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Solution

The fourth proportional to 5,260.76, 7,885.80 and 3,413.04 is: 5,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.76 : 7,885.80 = 3,413.04 : x
  2. Step 2: Convert to fraction form
    5,260.76/7,885.80 = 3,413.04/x
  3. Step 3: Cross multiply
    5,260.76x = 7,885.80 × 3,413.04
  4. Step 4: Simplify right side
    5,260.76x = 26,914,550.83
  5. Step 5: Solve for x
    x = 26,914,550.83/5,260.76
  6. Step 6: Final answer
    x = 5,116.10

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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.