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Finding the Fourth Proportional to 2,091.41, 3,137.13 and 995.54

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Solution

The fourth proportional to 2,091.41, 3,137.13 and 995.54 is: 1,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.41 : 3,137.13 = 995.54 : x
  2. Step 2: Convert to fraction form
    2,091.41/3,137.13 = 995.54/x
  3. Step 3: Cross multiply
    2,091.41x = 3,137.13 × 995.54
  4. Step 4: Simplify right side
    2,091.41x = 3,123,138.40
  5. Step 5: Solve for x
    x = 3,123,138.40/2,091.41
  6. Step 6: Final answer
    x = 1,493.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.