Home / 5,422.91-8,134.90-1,474.22

Finding the Fourth Proportional to 5,422.91, 8,134.90 and 1,474.22

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Solution

The fourth proportional to 5,422.91, 8,134.90 and 1,474.22 is: 2,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.91 : 8,134.90 = 1,474.22 : x
  2. Step 2: Convert to fraction form
    5,422.91/8,134.90 = 1,474.22/x
  3. Step 3: Cross multiply
    5,422.91x = 8,134.90 × 1,474.22
  4. Step 4: Simplify right side
    5,422.91x = 11,992,648.93
  5. Step 5: Solve for x
    x = 11,992,648.93/5,422.91
  6. Step 6: Final answer
    x = 2,211.48

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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.