Home / 4,000.11-5,520.14-2,207.70

Finding the Fourth Proportional to 4,000.11, 5,520.14 and 2,207.70

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Solution

The fourth proportional to 4,000.11, 5,520.14 and 2,207.70 is: 3,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.11 : 5,520.14 = 2,207.70 : x
  2. Step 2: Convert to fraction form
    4,000.11/5,520.14 = 2,207.70/x
  3. Step 3: Cross multiply
    4,000.11x = 5,520.14 × 2,207.70
  4. Step 4: Simplify right side
    4,000.11x = 12,186,802.04
  5. Step 5: Solve for x
    x = 12,186,802.04/4,000.11
  6. Step 6: Final answer
    x = 3,046.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.