Home / 7,431.25-11,132.28-3,722.53

Finding the Fourth Proportional to 7,431.25, 11,132.28 and 3,722.53

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Solution

The fourth proportional to 7,431.25, 11,132.28 and 3,722.53 is: 5,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.25 : 11,132.28 = 3,722.53 : x
  2. Step 2: Convert to fraction form
    7,431.25/11,132.28 = 3,722.53/x
  3. Step 3: Cross multiply
    7,431.25x = 11,132.28 × 3,722.53
  4. Step 4: Simplify right side
    7,431.25x = 41,440,246.27
  5. Step 5: Solve for x
    x = 41,440,246.27/7,431.25
  6. Step 6: Final answer
    x = 5,576.48

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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.