Home / 4,915.32-7,372.68-1,627.53

Finding the Fourth Proportional to 4,915.32, 7,372.68 and 1,627.53

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Solution

The fourth proportional to 4,915.32, 7,372.68 and 1,627.53 is: 2,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.32 : 7,372.68 = 1,627.53 : x
  2. Step 2: Convert to fraction form
    4,915.32/7,372.68 = 1,627.53/x
  3. Step 3: Cross multiply
    4,915.32x = 7,372.68 × 1,627.53
  4. Step 4: Simplify right side
    4,915.32x = 11,999,257.88
  5. Step 5: Solve for x
    x = 11,999,257.88/4,915.32
  6. Step 6: Final answer
    x = 2,441.20

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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.