Home / 3,944.34-5,443.12-2,176.12

Finding the Fourth Proportional to 3,944.34, 5,443.12 and 2,176.12

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Solution

The fourth proportional to 3,944.34, 5,443.12 and 2,176.12 is: 3,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.34 : 5,443.12 = 2,176.12 : x
  2. Step 2: Convert to fraction form
    3,944.34/5,443.12 = 2,176.12/x
  3. Step 3: Cross multiply
    3,944.34x = 5,443.12 × 2,176.12
  4. Step 4: Simplify right side
    3,944.34x = 11,844,882.29
  5. Step 5: Solve for x
    x = 11,844,882.29/3,944.34
  6. Step 6: Final answer
    x = 3,003.01

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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.