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Finding the Fourth Proportional to 5,869.72, 8,100.02 and 3,217.10

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Solution

The fourth proportional to 5,869.72, 8,100.02 and 3,217.10 is: 4,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.72 : 8,100.02 = 3,217.10 : x
  2. Step 2: Convert to fraction form
    5,869.72/8,100.02 = 3,217.10/x
  3. Step 3: Cross multiply
    5,869.72x = 8,100.02 × 3,217.10
  4. Step 4: Simplify right side
    5,869.72x = 26,058,574.34
  5. Step 5: Solve for x
    x = 26,058,574.34/5,869.72
  6. Step 6: Final answer
    x = 4,439.49

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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.