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Finding the Fourth Proportional to 5,379.54, 8,062.01 and 3,998.08

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Solution

The fourth proportional to 5,379.54, 8,062.01 and 3,998.08 is: 5,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.54 : 8,062.01 = 3,998.08 : x
  2. Step 2: Convert to fraction form
    5,379.54/8,062.01 = 3,998.08/x
  3. Step 3: Cross multiply
    5,379.54x = 8,062.01 × 3,998.08
  4. Step 4: Simplify right side
    5,379.54x = 32,232,560.94
  5. Step 5: Solve for x
    x = 32,232,560.94/5,379.54
  6. Step 6: Final answer
    x = 5,991.69

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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.