Home / 2,654.17-3,976.70-2,422.71

Finding the Fourth Proportional to 2,654.17, 3,976.70 and 2,422.71

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Solution

The fourth proportional to 2,654.17, 3,976.70 and 2,422.71 is: 3,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.17 : 3,976.70 = 2,422.71 : x
  2. Step 2: Convert to fraction form
    2,654.17/3,976.70 = 2,422.71/x
  3. Step 3: Cross multiply
    2,654.17x = 3,976.70 × 2,422.71
  4. Step 4: Simplify right side
    2,654.17x = 9,634,378.74
  5. Step 5: Solve for x
    x = 9,634,378.74/2,654.17
  6. Step 6: Final answer
    x = 3,629.91

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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.