Home / 10,610.90-15,916.33-2,819.71

Finding the Fourth Proportional to 10,610.90, 15,916.33 and 2,819.71

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Solution

The fourth proportional to 10,610.90, 15,916.33 and 2,819.71 is: 4,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.90 : 15,916.33 = 2,819.71 : x
  2. Step 2: Convert to fraction form
    10,610.90/15,916.33 = 2,819.71/x
  3. Step 3: Cross multiply
    10,610.90x = 15,916.33 × 2,819.71
  4. Step 4: Simplify right side
    10,610.90x = 44,879,458.28
  5. Step 5: Solve for x
    x = 44,879,458.28/10,610.90
  6. Step 6: Final answer
    x = 4,229.56

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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.