Home / 10,610.88-15,916.40-3,680.52

Finding the Fourth Proportional to 10,610.88, 15,916.40 and 3,680.52

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Solution

The fourth proportional to 10,610.88, 15,916.40 and 3,680.52 is: 5,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.88 : 15,916.40 = 3,680.52 : x
  2. Step 2: Convert to fraction form
    10,610.88/15,916.40 = 3,680.52/x
  3. Step 3: Cross multiply
    10,610.88x = 15,916.40 × 3,680.52
  4. Step 4: Simplify right side
    10,610.88x = 58,580,628.53
  5. Step 5: Solve for x
    x = 58,580,628.53/10,610.88
  6. Step 6: Final answer
    x = 5,520.81

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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.