Home / 3,951.31-5,452.91-2,183.03

Finding the Fourth Proportional to 3,951.31, 5,452.91 and 2,183.03

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Solution

The fourth proportional to 3,951.31, 5,452.91 and 2,183.03 is: 3,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.31 : 5,452.91 = 2,183.03 : x
  2. Step 2: Convert to fraction form
    3,951.31/5,452.91 = 2,183.03/x
  3. Step 3: Cross multiply
    3,951.31x = 5,452.91 × 2,183.03
  4. Step 4: Simplify right side
    3,951.31x = 11,903,858.63
  5. Step 5: Solve for x
    x = 11,903,858.63/3,951.31
  6. Step 6: Final answer
    x = 3,012.64

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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.