Home / 3,944.96-5,448.12-2,691.56

Finding the Fourth Proportional to 3,944.96, 5,448.12 and 2,691.56

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Solution

The fourth proportional to 3,944.96, 5,448.12 and 2,691.56 is: 3,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.96 : 5,448.12 = 2,691.56 : x
  2. Step 2: Convert to fraction form
    3,944.96/5,448.12 = 2,691.56/x
  3. Step 3: Cross multiply
    3,944.96x = 5,448.12 × 2,691.56
  4. Step 4: Simplify right side
    3,944.96x = 14,663,941.87
  5. Step 5: Solve for x
    x = 14,663,941.87/3,944.96
  6. Step 6: Final answer
    x = 3,717.13

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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.