Home / 5,539.86-8,310.76-2,766.02

Finding the Fourth Proportional to 5,539.86, 8,310.76 and 2,766.02

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Solution

The fourth proportional to 5,539.86, 8,310.76 and 2,766.02 is: 4,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.86 : 8,310.76 = 2,766.02 : x
  2. Step 2: Convert to fraction form
    5,539.86/8,310.76 = 2,766.02/x
  3. Step 3: Cross multiply
    5,539.86x = 8,310.76 × 2,766.02
  4. Step 4: Simplify right side
    5,539.86x = 22,987,728.38
  5. Step 5: Solve for x
    x = 22,987,728.38/5,539.86
  6. Step 6: Final answer
    x = 4,149.51

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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.