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Finding the Fourth Proportional to 3,751.52, 5,177.93 and 2,180.52

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Solution

The fourth proportional to 3,751.52, 5,177.93 and 2,180.52 is: 3,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.52 : 5,177.93 = 2,180.52 : x
  2. Step 2: Convert to fraction form
    3,751.52/5,177.93 = 2,180.52/x
  3. Step 3: Cross multiply
    3,751.52x = 5,177.93 × 2,180.52
  4. Step 4: Simplify right side
    3,751.52x = 11,290,569.02
  5. Step 5: Solve for x
    x = 11,290,569.02/3,751.52
  6. Step 6: Final answer
    x = 3,009.60

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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.