Home / 3,192.66-4,791.17-1,112.67

Finding the Fourth Proportional to 3,192.66, 4,791.17 and 1,112.67

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Solution

The fourth proportional to 3,192.66, 4,791.17 and 1,112.67 is: 1,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.66 : 4,791.17 = 1,112.67 : x
  2. Step 2: Convert to fraction form
    3,192.66/4,791.17 = 1,112.67/x
  3. Step 3: Cross multiply
    3,192.66x = 4,791.17 × 1,112.67
  4. Step 4: Simplify right side
    3,192.66x = 5,330,993.91
  5. Step 5: Solve for x
    x = 5,330,993.91/3,192.66
  6. Step 6: Final answer
    x = 1,669.77

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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.