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Finding the Fourth Proportional to 3,604.96, 5,372.11 and 3,487.51

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Solution

The fourth proportional to 3,604.96, 5,372.11 and 3,487.51 is: 5,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.96 : 5,372.11 = 3,487.51 : x
  2. Step 2: Convert to fraction form
    3,604.96/5,372.11 = 3,487.51/x
  3. Step 3: Cross multiply
    3,604.96x = 5,372.11 × 3,487.51
  4. Step 4: Simplify right side
    3,604.96x = 18,735,243.05
  5. Step 5: Solve for x
    x = 18,735,243.05/3,604.96
  6. Step 6: Final answer
    x = 5,197.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.