Home / 6,413.31-8,850.45-3,760.05

Finding the Fourth Proportional to 6,413.31, 8,850.45 and 3,760.05

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Solution

The fourth proportional to 6,413.31, 8,850.45 and 3,760.05 is: 5,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.31 : 8,850.45 = 3,760.05 : x
  2. Step 2: Convert to fraction form
    6,413.31/8,850.45 = 3,760.05/x
  3. Step 3: Cross multiply
    6,413.31x = 8,850.45 × 3,760.05
  4. Step 4: Simplify right side
    6,413.31x = 33,278,134.52
  5. Step 5: Solve for x
    x = 33,278,134.52/6,413.31
  6. Step 6: Final answer
    x = 5,188.92

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1.5x scale

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.