Home / 5,869.73-8,100-3,217.12

Finding the Fourth Proportional to 5,869.73, 8,100 and 3,217.12

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Solution

The fourth proportional to 5,869.73, 8,100 and 3,217.12 is: 4,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.73 : 8,100 = 3,217.12 : x
  2. Step 2: Convert to fraction form
    5,869.73/8,100 = 3,217.12/x
  3. Step 3: Cross multiply
    5,869.73x = 8,100 × 3,217.12
  4. Step 4: Simplify right side
    5,869.73x = 26,058,651.75
  5. Step 5: Solve for x
    x = 26,058,651.75/5,869.73
  6. Step 6: Final answer
    x = 4,439.50

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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.