Home / 4,232.62-6,346.50-3,988

Finding the Fourth Proportional to 4,232.62, 6,346.50 and 3,988

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Solution

The fourth proportional to 4,232.62, 6,346.50 and 3,988 is: 5,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,232.62 : 6,346.50 = 3,988 : x
  2. Step 2: Convert to fraction form
    4,232.62/6,346.50 = 3,988/x
  3. Step 3: Cross multiply
    4,232.62x = 6,346.50 × 3,988
  4. Step 4: Simplify right side
    4,232.62x = 25,309,842
  5. Step 5: Solve for x
    x = 25,309,842/4,232.62
  6. Step 6: Final answer
    x = 5,979.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.