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Finding the Fourth Proportional to 3,996.92, 5,992.78 and 1,656.29

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Solution

The fourth proportional to 3,996.92, 5,992.78 and 1,656.29 is: 2,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.92 : 5,992.78 = 1,656.29 : x
  2. Step 2: Convert to fraction form
    3,996.92/5,992.78 = 1,656.29/x
  3. Step 3: Cross multiply
    3,996.92x = 5,992.78 × 1,656.29
  4. Step 4: Simplify right side
    3,996.92x = 9,925,781.59
  5. Step 5: Solve for x
    x = 9,925,781.59/3,996.92
  6. Step 6: Final answer
    x = 2,483.36

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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.