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Finding the Fourth Proportional to 3,791.52, 5,688 and 1,194.24

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Solution

The fourth proportional to 3,791.52, 5,688 and 1,194.24 is: 1,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.52 : 5,688 = 1,194.24 : x
  2. Step 2: Convert to fraction form
    3,791.52/5,688 = 1,194.24/x
  3. Step 3: Cross multiply
    3,791.52x = 5,688 × 1,194.24
  4. Step 4: Simplify right side
    3,791.52x = 6,792,837.12
  5. Step 5: Solve for x
    x = 6,792,837.12/3,791.52
  6. Step 6: Final answer
    x = 1,791.59

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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.