Home / 6,219.72-8,583.18-3,425.22

Finding the Fourth Proportional to 6,219.72, 8,583.18 and 3,425.22

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Solution

The fourth proportional to 6,219.72, 8,583.18 and 3,425.22 is: 4,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.72 : 8,583.18 = 3,425.22 : x
  2. Step 2: Convert to fraction form
    6,219.72/8,583.18 = 3,425.22/x
  3. Step 3: Cross multiply
    6,219.72x = 8,583.18 × 3,425.22
  4. Step 4: Simplify right side
    6,219.72x = 29,399,279.80
  5. Step 5: Solve for x
    x = 29,399,279.80/6,219.72
  6. Step 6: Final answer
    x = 4,726.79

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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.