Home / 5,167.96-7,748.70-3,434.56

Finding the Fourth Proportional to 5,167.96, 7,748.70 and 3,434.56

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Solution

The fourth proportional to 5,167.96, 7,748.70 and 3,434.56 is: 5,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.96 : 7,748.70 = 3,434.56 : x
  2. Step 2: Convert to fraction form
    5,167.96/7,748.70 = 3,434.56/x
  3. Step 3: Cross multiply
    5,167.96x = 7,748.70 × 3,434.56
  4. Step 4: Simplify right side
    5,167.96x = 26,613,375.07
  5. Step 5: Solve for x
    x = 26,613,375.07/5,167.96
  6. Step 6: Final answer
    x = 5,149.69

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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.