Home / 5,422.82-8,127.90-2,494.94

Finding the Fourth Proportional to 5,422.82, 8,127.90 and 2,494.94

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Solution

The fourth proportional to 5,422.82, 8,127.90 and 2,494.94 is: 3,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.82 : 8,127.90 = 2,494.94 : x
  2. Step 2: Convert to fraction form
    5,422.82/8,127.90 = 2,494.94/x
  3. Step 3: Cross multiply
    5,422.82x = 8,127.90 × 2,494.94
  4. Step 4: Simplify right side
    5,422.82x = 20,278,582.19
  5. Step 5: Solve for x
    x = 20,278,582.19/5,422.82
  6. Step 6: Final answer
    x = 3,739.49

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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.