Home / 3,167.24-4,749.68-1,086.66

Finding the Fourth Proportional to 3,167.24, 4,749.68 and 1,086.66

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Solution

The fourth proportional to 3,167.24, 4,749.68 and 1,086.66 is: 1,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.24 : 4,749.68 = 1,086.66 : x
  2. Step 2: Convert to fraction form
    3,167.24/4,749.68 = 1,086.66/x
  3. Step 3: Cross multiply
    3,167.24x = 4,749.68 × 1,086.66
  4. Step 4: Simplify right side
    3,167.24x = 5,161,287.27
  5. Step 5: Solve for x
    x = 5,161,287.27/3,167.24
  6. Step 6: Final answer
    x = 1,629.59

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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.