Home / 5,906.96-8,149.80-3,422.48

Finding the Fourth Proportional to 5,906.96, 8,149.80 and 3,422.48

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Solution

The fourth proportional to 5,906.96, 8,149.80 and 3,422.48 is: 4,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.96 : 8,149.80 = 3,422.48 : x
  2. Step 2: Convert to fraction form
    5,906.96/8,149.80 = 3,422.48/x
  3. Step 3: Cross multiply
    5,906.96x = 8,149.80 × 3,422.48
  4. Step 4: Simplify right side
    5,906.96x = 27,892,527.50
  5. Step 5: Solve for x
    x = 27,892,527.50/5,906.96
  6. Step 6: Final answer
    x = 4,721.98

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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.