Home / 5,474.62-8,211.92-1,777.22

Finding the Fourth Proportional to 5,474.62, 8,211.92 and 1,777.22

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Solution

The fourth proportional to 5,474.62, 8,211.92 and 1,777.22 is: 2,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.62 : 8,211.92 = 1,777.22 : x
  2. Step 2: Convert to fraction form
    5,474.62/8,211.92 = 1,777.22/x
  3. Step 3: Cross multiply
    5,474.62x = 8,211.92 × 1,777.22
  4. Step 4: Simplify right side
    5,474.62x = 14,594,388.46
  5. Step 5: Solve for x
    x = 14,594,388.46/5,474.62
  6. Step 6: Final answer
    x = 2,665.83

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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.