Home / 4,493.12-6,738.78-1,531.24

Finding the Fourth Proportional to 4,493.12, 6,738.78 and 1,531.24

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Solution

The fourth proportional to 4,493.12, 6,738.78 and 1,531.24 is: 2,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.12 : 6,738.78 = 1,531.24 : x
  2. Step 2: Convert to fraction form
    4,493.12/6,738.78 = 1,531.24/x
  3. Step 3: Cross multiply
    4,493.12x = 6,738.78 × 1,531.24
  4. Step 4: Simplify right side
    4,493.12x = 10,318,689.49
  5. Step 5: Solve for x
    x = 10,318,689.49/4,493.12
  6. Step 6: Final answer
    x = 2,296.55

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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.