Home / 5,884.47-8,120.38-3,231.88

Finding the Fourth Proportional to 5,884.47, 8,120.38 and 3,231.88

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Solution

The fourth proportional to 5,884.47, 8,120.38 and 3,231.88 is: 4,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.47 : 8,120.38 = 3,231.88 : x
  2. Step 2: Convert to fraction form
    5,884.47/8,120.38 = 3,231.88/x
  3. Step 3: Cross multiply
    5,884.47x = 8,120.38 × 3,231.88
  4. Step 4: Simplify right side
    5,884.47x = 26,244,093.71
  5. Step 5: Solve for x
    x = 26,244,093.71/5,884.47
  6. Step 6: Final answer
    x = 4,459.89

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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.