Home / 6,413.16-9,620.91-2,251.92

Finding the Fourth Proportional to 6,413.16, 9,620.91 and 2,251.92

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Solution

The fourth proportional to 6,413.16, 9,620.91 and 2,251.92 is: 3,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.16 : 9,620.91 = 2,251.92 : x
  2. Step 2: Convert to fraction form
    6,413.16/9,620.91 = 2,251.92/x
  3. Step 3: Cross multiply
    6,413.16x = 9,620.91 × 2,251.92
  4. Step 4: Simplify right side
    6,413.16x = 21,665,519.65
  5. Step 5: Solve for x
    x = 21,665,519.65/6,413.16
  6. Step 6: Final answer
    x = 3,378.29

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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.