Home / 5,909.79-8,155.99-3,257.65

Finding the Fourth Proportional to 5,909.79, 8,155.99 and 3,257.65

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Solution

The fourth proportional to 5,909.79, 8,155.99 and 3,257.65 is: 4,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.79 : 8,155.99 = 3,257.65 : x
  2. Step 2: Convert to fraction form
    5,909.79/8,155.99 = 3,257.65/x
  3. Step 3: Cross multiply
    5,909.79x = 8,155.99 × 3,257.65
  4. Step 4: Simplify right side
    5,909.79x = 26,569,375.09
  5. Step 5: Solve for x
    x = 26,569,375.09/5,909.79
  6. Step 6: Final answer
    x = 4,495.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.