Home / 3,278.61-4,524.53-2,231.01

Finding the Fourth Proportional to 3,278.61, 4,524.53 and 2,231.01

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Solution

The fourth proportional to 3,278.61, 4,524.53 and 2,231.01 is: 3,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.61 : 4,524.53 = 2,231.01 : x
  2. Step 2: Convert to fraction form
    3,278.61/4,524.53 = 2,231.01/x
  3. Step 3: Cross multiply
    3,278.61x = 4,524.53 × 2,231.01
  4. Step 4: Simplify right side
    3,278.61x = 10,094,260.52
  5. Step 5: Solve for x
    x = 10,094,260.52/3,278.61
  6. Step 6: Final answer
    x = 3,078.82

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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.