Home / 5,304.61-7,321.68-3,067.78

Finding the Fourth Proportional to 5,304.61, 7,321.68 and 3,067.78

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Solution

The fourth proportional to 5,304.61, 7,321.68 and 3,067.78 is: 4,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.61 : 7,321.68 = 3,067.78 : x
  2. Step 2: Convert to fraction form
    5,304.61/7,321.68 = 3,067.78/x
  3. Step 3: Cross multiply
    5,304.61x = 7,321.68 × 3,067.78
  4. Step 4: Simplify right side
    5,304.61x = 22,461,301.12
  5. Step 5: Solve for x
    x = 22,461,301.12/5,304.61
  6. Step 6: Final answer
    x = 4,234.30

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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.