Home / 2,712.83-4,067.37-1,152.45

Finding the Fourth Proportional to 2,712.83, 4,067.37 and 1,152.45

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Solution

The fourth proportional to 2,712.83, 4,067.37 and 1,152.45 is: 1,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.83 : 4,067.37 = 1,152.45 : x
  2. Step 2: Convert to fraction form
    2,712.83/4,067.37 = 1,152.45/x
  3. Step 3: Cross multiply
    2,712.83x = 4,067.37 × 1,152.45
  4. Step 4: Simplify right side
    2,712.83x = 4,687,440.56
  5. Step 5: Solve for x
    x = 4,687,440.56/2,712.83
  6. Step 6: Final answer
    x = 1,727.88

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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.