Home / 5,540.52-8,310.85-1,842.75

Finding the Fourth Proportional to 5,540.52, 8,310.85 and 1,842.75

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Solution

The fourth proportional to 5,540.52, 8,310.85 and 1,842.75 is: 2,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.52 : 8,310.85 = 1,842.75 : x
  2. Step 2: Convert to fraction form
    5,540.52/8,310.85 = 1,842.75/x
  3. Step 3: Cross multiply
    5,540.52x = 8,310.85 × 1,842.75
  4. Step 4: Simplify right side
    5,540.52x = 15,314,814.04
  5. Step 5: Solve for x
    x = 15,314,814.04/5,540.52
  6. Step 6: Final answer
    x = 2,764.15

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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.