Home / 5,413.92-8,119.98-1,517.52

Finding the Fourth Proportional to 5,413.92, 8,119.98 and 1,517.52

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Solution

The fourth proportional to 5,413.92, 8,119.98 and 1,517.52 is: 2,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.92 : 8,119.98 = 1,517.52 : x
  2. Step 2: Convert to fraction form
    5,413.92/8,119.98 = 1,517.52/x
  3. Step 3: Cross multiply
    5,413.92x = 8,119.98 × 1,517.52
  4. Step 4: Simplify right side
    5,413.92x = 12,322,232.05
  5. Step 5: Solve for x
    x = 12,322,232.05/5,413.92
  6. Step 6: Final answer
    x = 2,276.03

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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.