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Finding the Fourth Proportional to 5,863.84, 8,790.41 and 2,163.49

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Solution

The fourth proportional to 5,863.84, 8,790.41 and 2,163.49 is: 3,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.84 : 8,790.41 = 2,163.49 : x
  2. Step 2: Convert to fraction form
    5,863.84/8,790.41 = 2,163.49/x
  3. Step 3: Cross multiply
    5,863.84x = 8,790.41 × 2,163.49
  4. Step 4: Simplify right side
    5,863.84x = 19,017,947.56
  5. Step 5: Solve for x
    x = 19,017,947.56/5,863.84
  6. Step 6: Final answer
    x = 3,243.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.