Home / 6,344.70-8,755.49-3,512.19

Finding the Fourth Proportional to 6,344.70, 8,755.49 and 3,512.19

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Solution

The fourth proportional to 6,344.70, 8,755.49 and 3,512.19 is: 4,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.70 : 8,755.49 = 3,512.19 : x
  2. Step 2: Convert to fraction form
    6,344.70/8,755.49 = 3,512.19/x
  3. Step 3: Cross multiply
    6,344.70x = 8,755.49 × 3,512.19
  4. Step 4: Simplify right side
    6,344.70x = 30,750,944.42
  5. Step 5: Solve for x
    x = 30,750,944.42/6,344.70
  6. Step 6: Final answer
    x = 4,846.71

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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.