Home / 3,944.52-5,432.40-3,932.40

Finding the Fourth Proportional to 3,944.52, 5,432.40 and 3,932.40

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Solution

The fourth proportional to 3,944.52, 5,432.40 and 3,932.40 is: 5,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.52 : 5,432.40 = 3,932.40 : x
  2. Step 2: Convert to fraction form
    3,944.52/5,432.40 = 3,932.40/x
  3. Step 3: Cross multiply
    3,944.52x = 5,432.40 × 3,932.40
  4. Step 4: Simplify right side
    3,944.52x = 21,362,369.76
  5. Step 5: Solve for x
    x = 21,362,369.76/3,944.52
  6. Step 6: Final answer
    x = 5,415.71

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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.