Home / 5,413.80-8,119.42-2,334.12

Finding the Fourth Proportional to 5,413.80, 8,119.42 and 2,334.12

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Solution

The fourth proportional to 5,413.80, 8,119.42 and 2,334.12 is: 3,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.80 : 8,119.42 = 2,334.12 : x
  2. Step 2: Convert to fraction form
    5,413.80/8,119.42 = 2,334.12/x
  3. Step 3: Cross multiply
    5,413.80x = 8,119.42 × 2,334.12
  4. Step 4: Simplify right side
    5,413.80x = 18,951,700.61
  5. Step 5: Solve for x
    x = 18,951,700.61/5,413.80
  6. Step 6: Final answer
    x = 3,500.63

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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.