Home / 3,067.94-4,235.18-1,808.57

Finding the Fourth Proportional to 3,067.94, 4,235.18 and 1,808.57

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Solution

The fourth proportional to 3,067.94, 4,235.18 and 1,808.57 is: 2,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.94 : 4,235.18 = 1,808.57 : x
  2. Step 2: Convert to fraction form
    3,067.94/4,235.18 = 1,808.57/x
  3. Step 3: Cross multiply
    3,067.94x = 4,235.18 × 1,808.57
  4. Step 4: Simplify right side
    3,067.94x = 7,659,589.27
  5. Step 5: Solve for x
    x = 7,659,589.27/3,067.94
  6. Step 6: Final answer
    x = 2,496.66

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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.