Home / 4,915.12-7,373.82-1,627.96

Finding the Fourth Proportional to 4,915.12, 7,373.82 and 1,627.96

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Solution

The fourth proportional to 4,915.12, 7,373.82 and 1,627.96 is: 2,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.12 : 7,373.82 = 1,627.96 : x
  2. Step 2: Convert to fraction form
    4,915.12/7,373.82 = 1,627.96/x
  3. Step 3: Cross multiply
    4,915.12x = 7,373.82 × 1,627.96
  4. Step 4: Simplify right side
    4,915.12x = 12,004,284.01
  5. Step 5: Solve for x
    x = 12,004,284.01/4,915.12
  6. Step 6: Final answer
    x = 2,442.32

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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.