Home / 4,819.79-7,229.67-1,357.04

Finding the Fourth Proportional to 4,819.79, 7,229.67 and 1,357.04

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Solution

The fourth proportional to 4,819.79, 7,229.67 and 1,357.04 is: 2,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.79 : 7,229.67 = 1,357.04 : x
  2. Step 2: Convert to fraction form
    4,819.79/7,229.67 = 1,357.04/x
  3. Step 3: Cross multiply
    4,819.79x = 7,229.67 × 1,357.04
  4. Step 4: Simplify right side
    4,819.79x = 9,810,951.38
  5. Step 5: Solve for x
    x = 9,810,951.38/4,819.79
  6. Step 6: Final answer
    x = 2,035.56

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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.