Home / 3,067.52-4,232.58-2,121.84

Finding the Fourth Proportional to 3,067.52, 4,232.58 and 2,121.84

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Solution

The fourth proportional to 3,067.52, 4,232.58 and 2,121.84 is: 2,927.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.52 : 4,232.58 = 2,121.84 : x
  2. Step 2: Convert to fraction form
    3,067.52/4,232.58 = 2,121.84/x
  3. Step 3: Cross multiply
    3,067.52x = 4,232.58 × 2,121.84
  4. Step 4: Simplify right side
    3,067.52x = 8,980,857.55
  5. Step 5: Solve for x
    x = 8,980,857.55/3,067.52
  6. Step 6: Final answer
    x = 2,927.73

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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.