Home / 2,789.24-4,177.24-2,422.03

Finding the Fourth Proportional to 2,789.24, 4,177.24 and 2,422.03

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Solution

The fourth proportional to 2,789.24, 4,177.24 and 2,422.03 is: 3,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.24 : 4,177.24 = 2,422.03 : x
  2. Step 2: Convert to fraction form
    2,789.24/4,177.24 = 2,422.03/x
  3. Step 3: Cross multiply
    2,789.24x = 4,177.24 × 2,422.03
  4. Step 4: Simplify right side
    2,789.24x = 10,117,400.60
  5. Step 5: Solve for x
    x = 10,117,400.60/2,789.24
  6. Step 6: Final answer
    x = 3,627.30

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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.