Home / 3,819.49-5,732.10-1,629.73

Finding the Fourth Proportional to 3,819.49, 5,732.10 and 1,629.73

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Solution

The fourth proportional to 3,819.49, 5,732.10 and 1,629.73 is: 2,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.49 : 5,732.10 = 1,629.73 : x
  2. Step 2: Convert to fraction form
    3,819.49/5,732.10 = 1,629.73/x
  3. Step 3: Cross multiply
    3,819.49x = 5,732.10 × 1,629.73
  4. Step 4: Simplify right side
    3,819.49x = 9,341,775.33
  5. Step 5: Solve for x
    x = 9,341,775.33/3,819.49
  6. Step 6: Final answer
    x = 2,445.82

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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.