Home / 3,951.74-5,453.26-2,183.31

Finding the Fourth Proportional to 3,951.74, 5,453.26 and 2,183.31

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Solution

The fourth proportional to 3,951.74, 5,453.26 and 2,183.31 is: 3,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.74 : 5,453.26 = 2,183.31 : x
  2. Step 2: Convert to fraction form
    3,951.74/5,453.26 = 2,183.31/x
  3. Step 3: Cross multiply
    3,951.74x = 5,453.26 × 2,183.31
  4. Step 4: Simplify right side
    3,951.74x = 11,906,151.63
  5. Step 5: Solve for x
    x = 11,906,151.63/3,951.74
  6. Step 6: Final answer
    x = 3,012.89

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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.