Home / 3,944.68-5,443.52-2,176.18

Finding the Fourth Proportional to 3,944.68, 5,443.52 and 2,176.18

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Solution

The fourth proportional to 3,944.68, 5,443.52 and 2,176.18 is: 3,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.68 : 5,443.52 = 2,176.18 : x
  2. Step 2: Convert to fraction form
    3,944.68/5,443.52 = 2,176.18/x
  3. Step 3: Cross multiply
    3,944.68x = 5,443.52 × 2,176.18
  4. Step 4: Simplify right side
    3,944.68x = 11,846,079.35
  5. Step 5: Solve for x
    x = 11,846,079.35/3,944.68
  6. Step 6: Final answer
    x = 3,003.05

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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.