Home / 5,474.57-8,215.90-4,072.19

Finding the Fourth Proportional to 5,474.57, 8,215.90 and 4,072.19

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Solution

The fourth proportional to 5,474.57, 8,215.90 and 4,072.19 is: 6,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.57 : 8,215.90 = 4,072.19 : x
  2. Step 2: Convert to fraction form
    5,474.57/8,215.90 = 4,072.19/x
  3. Step 3: Cross multiply
    5,474.57x = 8,215.90 × 4,072.19
  4. Step 4: Simplify right side
    5,474.57x = 33,456,654.56
  5. Step 5: Solve for x
    x = 33,456,654.56/5,474.57
  6. Step 6: Final answer
    x = 6,111.29

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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.