Home / 10,102.92-15,155.75-3,527.56

Finding the Fourth Proportional to 10,102.92, 15,155.75 and 3,527.56

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Solution

The fourth proportional to 10,102.92, 15,155.75 and 3,527.56 is: 5,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.92 : 15,155.75 = 3,527.56 : x
  2. Step 2: Convert to fraction form
    10,102.92/15,155.75 = 3,527.56/x
  3. Step 3: Cross multiply
    10,102.92x = 15,155.75 × 3,527.56
  4. Step 4: Simplify right side
    10,102.92x = 53,462,817.47
  5. Step 5: Solve for x
    x = 53,462,817.47/10,102.92
  6. Step 6: Final answer
    x = 5,291.82

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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.