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Finding the Fourth Proportional to 6,257.54, 8,638.52 and 3,604.43

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Solution

The fourth proportional to 6,257.54, 8,638.52 and 3,604.43 is: 4,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.54 : 8,638.52 = 3,604.43 : x
  2. Step 2: Convert to fraction form
    6,257.54/8,638.52 = 3,604.43/x
  3. Step 3: Cross multiply
    6,257.54x = 8,638.52 × 3,604.43
  4. Step 4: Simplify right side
    6,257.54x = 31,136,879.43
  5. Step 5: Solve for x
    x = 31,136,879.43/6,257.54
  6. Step 6: Final answer
    x = 4,975.90

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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.