Home / 3,951.09-5,452.44-2,182.79

Finding the Fourth Proportional to 3,951.09, 5,452.44 and 2,182.79

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Solution

The fourth proportional to 3,951.09, 5,452.44 and 2,182.79 is: 3,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.09 : 5,452.44 = 2,182.79 : x
  2. Step 2: Convert to fraction form
    3,951.09/5,452.44 = 2,182.79/x
  3. Step 3: Cross multiply
    3,951.09x = 5,452.44 × 2,182.79
  4. Step 4: Simplify right side
    3,951.09x = 11,901,531.51
  5. Step 5: Solve for x
    x = 11,901,531.51/3,951.09
  6. Step 6: Final answer
    x = 3,012.21

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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.