Home / 2,067.48-3,102.75-1,143.81

Finding the Fourth Proportional to 2,067.48, 3,102.75 and 1,143.81

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Solution

The fourth proportional to 2,067.48, 3,102.75 and 1,143.81 is: 1,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.48 : 3,102.75 = 1,143.81 : x
  2. Step 2: Convert to fraction form
    2,067.48/3,102.75 = 1,143.81/x
  3. Step 3: Cross multiply
    2,067.48x = 3,102.75 × 1,143.81
  4. Step 4: Simplify right side
    2,067.48x = 3,548,956.48
  5. Step 5: Solve for x
    x = 3,548,956.48/2,067.48
  6. Step 6: Final answer
    x = 1,716.56

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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.