Home / 4,921.60-7,377.88-3,167.04

Finding the Fourth Proportional to 4,921.60, 7,377.88 and 3,167.04

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Solution

The fourth proportional to 4,921.60, 7,377.88 and 3,167.04 is: 4,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.60 : 7,377.88 = 3,167.04 : x
  2. Step 2: Convert to fraction form
    4,921.60/7,377.88 = 3,167.04/x
  3. Step 3: Cross multiply
    4,921.60x = 7,377.88 × 3,167.04
  4. Step 4: Simplify right side
    4,921.60x = 23,366,041.08
  5. Step 5: Solve for x
    x = 23,366,041.08/4,921.60
  6. Step 6: Final answer
    x = 4,747.65

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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.