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Finding the Fourth Proportional to 5,768.75, 7,960.78 and 3,410.44

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Solution

The fourth proportional to 5,768.75, 7,960.78 and 3,410.44 is: 4,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.75 : 7,960.78 = 3,410.44 : x
  2. Step 2: Convert to fraction form
    5,768.75/7,960.78 = 3,410.44/x
  3. Step 3: Cross multiply
    5,768.75x = 7,960.78 × 3,410.44
  4. Step 4: Simplify right side
    5,768.75x = 27,149,746.90
  5. Step 5: Solve for x
    x = 27,149,746.90/5,768.75
  6. Step 6: Final answer
    x = 4,706.35

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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.