Home / 5,936.45-8,191.98-3,418.65

Finding the Fourth Proportional to 5,936.45, 8,191.98 and 3,418.65

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Solution

The fourth proportional to 5,936.45, 8,191.98 and 3,418.65 is: 4,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,936.45 : 8,191.98 = 3,418.65 : x
  2. Step 2: Convert to fraction form
    5,936.45/8,191.98 = 3,418.65/x
  3. Step 3: Cross multiply
    5,936.45x = 8,191.98 × 3,418.65
  4. Step 4: Simplify right side
    5,936.45x = 28,005,512.43
  5. Step 5: Solve for x
    x = 28,005,512.43/5,936.45
  6. Step 6: Final answer
    x = 4,717.56

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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.