Home / 6,220.88-8,584.92-3,426.44

Finding the Fourth Proportional to 6,220.88, 8,584.92 and 3,426.44

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Solution

The fourth proportional to 6,220.88, 8,584.92 and 3,426.44 is: 4,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.88 : 8,584.92 = 3,426.44 : x
  2. Step 2: Convert to fraction form
    6,220.88/8,584.92 = 3,426.44/x
  3. Step 3: Cross multiply
    6,220.88x = 8,584.92 × 3,426.44
  4. Step 4: Simplify right side
    6,220.88x = 29,415,713.28
  5. Step 5: Solve for x
    x = 29,415,713.28/6,220.88
  6. Step 6: Final answer
    x = 4,728.55

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Half scale
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Double scale
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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.