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Finding the Fourth Proportional to 4,863.15, 6,709.93 and 2,738.25

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Solution

The fourth proportional to 4,863.15, 6,709.93 and 2,738.25 is: 3,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.15 : 6,709.93 = 2,738.25 : x
  2. Step 2: Convert to fraction form
    4,863.15/6,709.93 = 2,738.25/x
  3. Step 3: Cross multiply
    4,863.15x = 6,709.93 × 2,738.25
  4. Step 4: Simplify right side
    4,863.15x = 18,373,458.98
  5. Step 5: Solve for x
    x = 18,373,458.98/4,863.15
  6. Step 6: Final answer
    x = 3,778.10

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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.