Home / 5,749.62-7,934.28-3,231.68

Finding the Fourth Proportional to 5,749.62, 7,934.28 and 3,231.68

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Solution

The fourth proportional to 5,749.62, 7,934.28 and 3,231.68 is: 4,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.62 : 7,934.28 = 3,231.68 : x
  2. Step 2: Convert to fraction form
    5,749.62/7,934.28 = 3,231.68/x
  3. Step 3: Cross multiply
    5,749.62x = 7,934.28 × 3,231.68
  4. Step 4: Simplify right side
    5,749.62x = 25,641,014.32
  5. Step 5: Solve for x
    x = 25,641,014.32/5,749.62
  6. Step 6: Final answer
    x = 4,459.60

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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.