Home / 3,996.57-5,520.65-3,623.97

Finding the Fourth Proportional to 3,996.57, 5,520.65 and 3,623.97

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Solution

The fourth proportional to 3,996.57, 5,520.65 and 3,623.97 is: 5,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.57 : 5,520.65 = 3,623.97 : x
  2. Step 2: Convert to fraction form
    3,996.57/5,520.65 = 3,623.97/x
  3. Step 3: Cross multiply
    3,996.57x = 5,520.65 × 3,623.97
  4. Step 4: Simplify right side
    3,996.57x = 20,006,651.86
  5. Step 5: Solve for x
    x = 20,006,651.86/3,996.57
  6. Step 6: Final answer
    x = 5,005.96

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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.