Home / 4,765.92-7,149.15-2,915.88

Finding the Fourth Proportional to 4,765.92, 7,149.15 and 2,915.88

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Solution

The fourth proportional to 4,765.92, 7,149.15 and 2,915.88 is: 4,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.92 : 7,149.15 = 2,915.88 : x
  2. Step 2: Convert to fraction form
    4,765.92/7,149.15 = 2,915.88/x
  3. Step 3: Cross multiply
    4,765.92x = 7,149.15 × 2,915.88
  4. Step 4: Simplify right side
    4,765.92x = 20,846,063.50
  5. Step 5: Solve for x
    x = 20,846,063.50/4,765.92
  6. Step 6: Final answer
    x = 4,373.99

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1.5x scale

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.