Home / 4,072.64-5,620.20-2,304.22

Finding the Fourth Proportional to 4,072.64, 5,620.20 and 2,304.22

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Solution

The fourth proportional to 4,072.64, 5,620.20 and 2,304.22 is: 3,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.64 : 5,620.20 = 2,304.22 : x
  2. Step 2: Convert to fraction form
    4,072.64/5,620.20 = 2,304.22/x
  3. Step 3: Cross multiply
    4,072.64x = 5,620.20 × 2,304.22
  4. Step 4: Simplify right side
    4,072.64x = 12,950,177.24
  5. Step 5: Solve for x
    x = 12,950,177.24/4,072.64
  6. Step 6: Final answer
    x = 3,179.80

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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.