Home / 3,072.39-4,236.46-2,511.12

Finding the Fourth Proportional to 3,072.39, 4,236.46 and 2,511.12

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Solution

The fourth proportional to 3,072.39, 4,236.46 and 2,511.12 is: 3,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.39 : 4,236.46 = 2,511.12 : x
  2. Step 2: Convert to fraction form
    3,072.39/4,236.46 = 2,511.12/x
  3. Step 3: Cross multiply
    3,072.39x = 4,236.46 × 2,511.12
  4. Step 4: Simplify right side
    3,072.39x = 10,638,255.92
  5. Step 5: Solve for x
    x = 10,638,255.92/3,072.39
  6. Step 6: Final answer
    x = 3,462.53

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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.