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Finding the Fourth Proportional to 5,544.10, 7,650.81 and 3,187

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Solution

The fourth proportional to 5,544.10, 7,650.81 and 3,187 is: 4,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,544.10 : 7,650.81 = 3,187 : x
  2. Step 2: Convert to fraction form
    5,544.10/7,650.81 = 3,187/x
  3. Step 3: Cross multiply
    5,544.10x = 7,650.81 × 3,187
  4. Step 4: Simplify right side
    5,544.10x = 24,383,131.47
  5. Step 5: Solve for x
    x = 24,383,131.47/5,544.10
  6. Step 6: Final answer
    x = 4,398.03

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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.