Home / 4,748.10-7,122.15-3,192.90

Finding the Fourth Proportional to 4,748.10, 7,122.15 and 3,192.90

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Solution

The fourth proportional to 4,748.10, 7,122.15 and 3,192.90 is: 4,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.10 : 7,122.15 = 3,192.90 : x
  2. Step 2: Convert to fraction form
    4,748.10/7,122.15 = 3,192.90/x
  3. Step 3: Cross multiply
    4,748.10x = 7,122.15 × 3,192.90
  4. Step 4: Simplify right side
    4,748.10x = 22,740,312.74
  5. Step 5: Solve for x
    x = 22,740,312.74/4,748.10
  6. Step 6: Final answer
    x = 4,789.35

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Similar ratio
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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.