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Finding the Fourth Proportional to 4,104.75, 5,650.86 and 3,916.45

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Solution

The fourth proportional to 4,104.75, 5,650.86 and 3,916.45 is: 5,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.75 : 5,650.86 = 3,916.45 : x
  2. Step 2: Convert to fraction form
    4,104.75/5,650.86 = 3,916.45/x
  3. Step 3: Cross multiply
    4,104.75x = 5,650.86 × 3,916.45
  4. Step 4: Simplify right side
    4,104.75x = 22,131,310.65
  5. Step 5: Solve for x
    x = 22,131,310.65/4,104.75
  6. Step 6: Final answer
    x = 5,391.63

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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.