Home / 3,944.12-5,917.20-1,347.08

Finding the Fourth Proportional to 3,944.12, 5,917.20 and 1,347.08

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Solution

The fourth proportional to 3,944.12, 5,917.20 and 1,347.08 is: 2,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.12 : 5,917.20 = 1,347.08 : x
  2. Step 2: Convert to fraction form
    3,944.12/5,917.20 = 1,347.08/x
  3. Step 3: Cross multiply
    3,944.12x = 5,917.20 × 1,347.08
  4. Step 4: Simplify right side
    3,944.12x = 7,970,941.78
  5. Step 5: Solve for x
    x = 7,970,941.78/3,944.12
  6. Step 6: Final answer
    x = 2,020.97

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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.