Home / 4,321.20-5,962.20-2,432.40

Finding the Fourth Proportional to 4,321.20, 5,962.20 and 2,432.40

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Solution

The fourth proportional to 4,321.20, 5,962.20 and 2,432.40 is: 3,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.20 : 5,962.20 = 2,432.40 : x
  2. Step 2: Convert to fraction form
    4,321.20/5,962.20 = 2,432.40/x
  3. Step 3: Cross multiply
    4,321.20x = 5,962.20 × 2,432.40
  4. Step 4: Simplify right side
    4,321.20x = 14,502,455.28
  5. Step 5: Solve for x
    x = 14,502,455.28/4,321.20
  6. Step 6: Final answer
    x = 3,356.12

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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.