Home / 5,413.26-8,116.60-2,122.41

Finding the Fourth Proportional to 5,413.26, 8,116.60 and 2,122.41

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Solution

The fourth proportional to 5,413.26, 8,116.60 and 2,122.41 is: 3,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.26 : 8,116.60 = 2,122.41 : x
  2. Step 2: Convert to fraction form
    5,413.26/8,116.60 = 2,122.41/x
  3. Step 3: Cross multiply
    5,413.26x = 8,116.60 × 2,122.41
  4. Step 4: Simplify right side
    5,413.26x = 17,226,753.01
  5. Step 5: Solve for x
    x = 17,226,753.01/5,413.26
  6. Step 6: Final answer
    x = 3,182.33

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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.