Home / 5,109.55-7,654.20-4,500.70

Finding the Fourth Proportional to 5,109.55, 7,654.20 and 4,500.70

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Solution

The fourth proportional to 5,109.55, 7,654.20 and 4,500.70 is: 6,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.55 : 7,654.20 = 4,500.70 : x
  2. Step 2: Convert to fraction form
    5,109.55/7,654.20 = 4,500.70/x
  3. Step 3: Cross multiply
    5,109.55x = 7,654.20 × 4,500.70
  4. Step 4: Simplify right side
    5,109.55x = 34,449,257.94
  5. Step 5: Solve for x
    x = 34,449,257.94/5,109.55
  6. Step 6: Final answer
    x = 6,742.13

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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.