Home / 3,067.24-4,232.78-1,670

Finding the Fourth Proportional to 3,067.24, 4,232.78 and 1,670

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Solution

The fourth proportional to 3,067.24, 4,232.78 and 1,670 is: 2,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.24 : 4,232.78 = 1,670 : x
  2. Step 2: Convert to fraction form
    3,067.24/4,232.78 = 1,670/x
  3. Step 3: Cross multiply
    3,067.24x = 4,232.78 × 1,670
  4. Step 4: Simplify right side
    3,067.24x = 7,068,742.60
  5. Step 5: Solve for x
    x = 7,068,742.60/3,067.24
  6. Step 6: Final answer
    x = 2,304.59

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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.