Home / 7,849.53-11,771.28-3,167.91

Finding the Fourth Proportional to 7,849.53, 11,771.28 and 3,167.91

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Solution

The fourth proportional to 7,849.53, 11,771.28 and 3,167.91 is: 4,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.53 : 11,771.28 = 3,167.91 : x
  2. Step 2: Convert to fraction form
    7,849.53/11,771.28 = 3,167.91/x
  3. Step 3: Cross multiply
    7,849.53x = 11,771.28 × 3,167.91
  4. Step 4: Simplify right side
    7,849.53x = 37,290,355.62
  5. Step 5: Solve for x
    x = 37,290,355.62/7,849.53
  6. Step 6: Final answer
    x = 4,750.65

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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.