Home / 4,962.75-7,439.10-3,115.17

Finding the Fourth Proportional to 4,962.75, 7,439.10 and 3,115.17

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Solution

The fourth proportional to 4,962.75, 7,439.10 and 3,115.17 is: 4,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,962.75 : 7,439.10 = 3,115.17 : x
  2. Step 2: Convert to fraction form
    4,962.75/7,439.10 = 3,115.17/x
  3. Step 3: Cross multiply
    4,962.75x = 7,439.10 × 3,115.17
  4. Step 4: Simplify right side
    4,962.75x = 23,174,061.15
  5. Step 5: Solve for x
    x = 23,174,061.15/4,962.75
  6. Step 6: Final answer
    x = 4,669.60

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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.