Home / 4,532.40-6,247.80-3,132.72

Finding the Fourth Proportional to 4,532.40, 6,247.80 and 3,132.72

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Solution

The fourth proportional to 4,532.40, 6,247.80 and 3,132.72 is: 4,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,532.40 : 6,247.80 = 3,132.72 : x
  2. Step 2: Convert to fraction form
    4,532.40/6,247.80 = 3,132.72/x
  3. Step 3: Cross multiply
    4,532.40x = 6,247.80 × 3,132.72
  4. Step 4: Simplify right side
    4,532.40x = 19,572,608.02
  5. Step 5: Solve for x
    x = 19,572,608.02/4,532.40
  6. Step 6: Final answer
    x = 4,318.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.