Home / 3,079.32-4,245.66-2,249.88

Finding the Fourth Proportional to 3,079.32, 4,245.66 and 2,249.88

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Solution

The fourth proportional to 3,079.32, 4,245.66 and 2,249.88 is: 3,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.32 : 4,245.66 = 2,249.88 : x
  2. Step 2: Convert to fraction form
    3,079.32/4,245.66 = 2,249.88/x
  3. Step 3: Cross multiply
    3,079.32x = 4,245.66 × 2,249.88
  4. Step 4: Simplify right side
    3,079.32x = 9,552,225.52
  5. Step 5: Solve for x
    x = 9,552,225.52/3,079.32
  6. Step 6: Final answer
    x = 3,102.06

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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.