Home / 4,320.78-5,961.62-2,432

Finding the Fourth Proportional to 4,320.78, 5,961.62 and 2,432

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Solution

The fourth proportional to 4,320.78, 5,961.62 and 2,432 is: 3,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.78 : 5,961.62 = 2,432 : x
  2. Step 2: Convert to fraction form
    4,320.78/5,961.62 = 2,432/x
  3. Step 3: Cross multiply
    4,320.78x = 5,961.62 × 2,432
  4. Step 4: Simplify right side
    4,320.78x = 14,498,659.84
  5. Step 5: Solve for x
    x = 14,498,659.84/4,320.78
  6. Step 6: Final answer
    x = 3,355.57

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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.