Home / 5,872.70-8,104.50-3,220.29

Finding the Fourth Proportional to 5,872.70, 8,104.50 and 3,220.29

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Solution

The fourth proportional to 5,872.70, 8,104.50 and 3,220.29 is: 4,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.70 : 8,104.50 = 3,220.29 : x
  2. Step 2: Convert to fraction form
    5,872.70/8,104.50 = 3,220.29/x
  3. Step 3: Cross multiply
    5,872.70x = 8,104.50 × 3,220.29
  4. Step 4: Simplify right side
    5,872.70x = 26,098,840.31
  5. Step 5: Solve for x
    x = 26,098,840.31/5,872.70
  6. Step 6: Final answer
    x = 4,444.10

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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.