Home / 5,067.91-6,987.38-3,874.37

Finding the Fourth Proportional to 5,067.91, 6,987.38 and 3,874.37

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Solution

The fourth proportional to 5,067.91, 6,987.38 and 3,874.37 is: 5,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.91 : 6,987.38 = 3,874.37 : x
  2. Step 2: Convert to fraction form
    5,067.91/6,987.38 = 3,874.37/x
  3. Step 3: Cross multiply
    5,067.91x = 6,987.38 × 3,874.37
  4. Step 4: Simplify right side
    5,067.91x = 27,071,722.60
  5. Step 5: Solve for x
    x = 27,071,722.60/5,067.91
  6. Step 6: Final answer
    x = 5,341.79

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1.5x scale

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.