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Finding the Fourth Proportional to 3,676.73, 5,081.00 and 2,790.99

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Solution

The fourth proportional to 3,676.73, 5,081.00 and 2,790.99 is: 3,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.73 : 5,081.00 = 2,790.99 : x
  2. Step 2: Convert to fraction form
    3,676.73/5,081.00 = 2,790.99/x
  3. Step 3: Cross multiply
    3,676.73x = 5,081.00 × 2,790.99
  4. Step 4: Simplify right side
    3,676.73x = 14,181,006.24
  5. Step 5: Solve for x
    x = 14,181,006.24/3,676.73
  6. Step 6: Final answer
    x = 3,856.97

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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.