Home / 3,944.86-5,443.74-2,176.42

Finding the Fourth Proportional to 3,944.86, 5,443.74 and 2,176.42

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Solution

The fourth proportional to 3,944.86, 5,443.74 and 2,176.42 is: 3,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.86 : 5,443.74 = 2,176.42 : x
  2. Step 2: Convert to fraction form
    3,944.86/5,443.74 = 2,176.42/x
  3. Step 3: Cross multiply
    3,944.86x = 5,443.74 × 2,176.42
  4. Step 4: Simplify right side
    3,944.86x = 11,847,864.61
  5. Step 5: Solve for x
    x = 11,847,864.61/3,944.86
  6. Step 6: Final answer
    x = 3,003.37

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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.