Home / 2,717.70-4,067.49-2,064.78

Finding the Fourth Proportional to 2,717.70, 4,067.49 and 2,064.78

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Solution

The fourth proportional to 2,717.70, 4,067.49 and 2,064.78 is: 3,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.70 : 4,067.49 = 2,064.78 : x
  2. Step 2: Convert to fraction form
    2,717.70/4,067.49 = 2,064.78/x
  3. Step 3: Cross multiply
    2,717.70x = 4,067.49 × 2,064.78
  4. Step 4: Simplify right side
    2,717.70x = 8,398,472.00
  5. Step 5: Solve for x
    x = 8,398,472.00/2,717.70
  6. Step 6: Final answer
    x = 3,090.29

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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.