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Finding the Fourth Proportional to 3,676.83, 5,074 and 2,104.75

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Solution

The fourth proportional to 3,676.83, 5,074 and 2,104.75 is: 2,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.83 : 5,074 = 2,104.75 : x
  2. Step 2: Convert to fraction form
    3,676.83/5,074 = 2,104.75/x
  3. Step 3: Cross multiply
    3,676.83x = 5,074 × 2,104.75
  4. Step 4: Simplify right side
    3,676.83x = 10,679,501.50
  5. Step 5: Solve for x
    x = 10,679,501.50/3,676.83
  6. Step 6: Final answer
    x = 2,904.54

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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.