Home / 5,565.72-8,348.62-2,279.15

Finding the Fourth Proportional to 5,565.72, 8,348.62 and 2,279.15

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Solution

The fourth proportional to 5,565.72, 8,348.62 and 2,279.15 is: 3,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.72 : 8,348.62 = 2,279.15 : x
  2. Step 2: Convert to fraction form
    5,565.72/8,348.62 = 2,279.15/x
  3. Step 3: Cross multiply
    5,565.72x = 8,348.62 × 2,279.15
  4. Step 4: Simplify right side
    5,565.72x = 19,027,757.27
  5. Step 5: Solve for x
    x = 19,027,757.27/5,565.72
  6. Step 6: Final answer
    x = 3,418.74

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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.