Home / 6,188.39-8,540.19-4,424.21

Finding the Fourth Proportional to 6,188.39, 8,540.19 and 4,424.21

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Solution

The fourth proportional to 6,188.39, 8,540.19 and 4,424.21 is: 6,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.39 : 8,540.19 = 4,424.21 : x
  2. Step 2: Convert to fraction form
    6,188.39/8,540.19 = 4,424.21/x
  3. Step 3: Cross multiply
    6,188.39x = 8,540.19 × 4,424.21
  4. Step 4: Simplify right side
    6,188.39x = 37,783,551.30
  5. Step 5: Solve for x
    x = 37,783,551.30/6,188.39
  6. Step 6: Final answer
    x = 6,105.56

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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.