Home / 3,067.79-4,231.86-2,074.46

Finding the Fourth Proportional to 3,067.79, 4,231.86 and 2,074.46

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Solution

The fourth proportional to 3,067.79, 4,231.86 and 2,074.46 is: 2,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.79 : 4,231.86 = 2,074.46 : x
  2. Step 2: Convert to fraction form
    3,067.79/4,231.86 = 2,074.46/x
  3. Step 3: Cross multiply
    3,067.79x = 4,231.86 × 2,074.46
  4. Step 4: Simplify right side
    3,067.79x = 8,778,824.30
  5. Step 5: Solve for x
    x = 8,778,824.30/3,067.79
  6. Step 6: Final answer
    x = 2,861.61

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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.