Home / 5,749.66-7,934.43-3,231.79

Finding the Fourth Proportional to 5,749.66, 7,934.43 and 3,231.79

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Solution

The fourth proportional to 5,749.66, 7,934.43 and 3,231.79 is: 4,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.66 : 7,934.43 = 3,231.79 : x
  2. Step 2: Convert to fraction form
    5,749.66/7,934.43 = 3,231.79/x
  3. Step 3: Cross multiply
    5,749.66x = 7,934.43 × 3,231.79
  4. Step 4: Simplify right side
    5,749.66x = 25,642,411.53
  5. Step 5: Solve for x
    x = 25,642,411.53/5,749.66
  6. Step 6: Final answer
    x = 4,459.81

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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.