Home / 3,378.86-5,064.56-2,282.90

Finding the Fourth Proportional to 3,378.86, 5,064.56 and 2,282.90

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Solution

The fourth proportional to 3,378.86, 5,064.56 and 2,282.90 is: 3,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.86 : 5,064.56 = 2,282.90 : x
  2. Step 2: Convert to fraction form
    3,378.86/5,064.56 = 2,282.90/x
  3. Step 3: Cross multiply
    3,378.86x = 5,064.56 × 2,282.90
  4. Step 4: Simplify right side
    3,378.86x = 11,561,884.02
  5. Step 5: Solve for x
    x = 11,561,884.02/3,378.86
  6. Step 6: Final answer
    x = 3,421.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.