Home / 2,676.24-3,694.59-2,077.38

Finding the Fourth Proportional to 2,676.24, 3,694.59 and 2,077.38

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Solution

The fourth proportional to 2,676.24, 3,694.59 and 2,077.38 is: 2,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.24 : 3,694.59 = 2,077.38 : x
  2. Step 2: Convert to fraction form
    2,676.24/3,694.59 = 2,077.38/x
  3. Step 3: Cross multiply
    2,676.24x = 3,694.59 × 2,077.38
  4. Step 4: Simplify right side
    2,676.24x = 7,675,067.37
  5. Step 5: Solve for x
    x = 7,675,067.37/2,676.24
  6. Step 6: Final answer
    x = 2,867.85

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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.