Home / 5,342.20-8,013.12-2,418.46

Finding the Fourth Proportional to 5,342.20, 8,013.12 and 2,418.46

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Solution

The fourth proportional to 5,342.20, 8,013.12 and 2,418.46 is: 3,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.20 : 8,013.12 = 2,418.46 : x
  2. Step 2: Convert to fraction form
    5,342.20/8,013.12 = 2,418.46/x
  3. Step 3: Cross multiply
    5,342.20x = 8,013.12 × 2,418.46
  4. Step 4: Simplify right side
    5,342.20x = 19,379,410.20
  5. Step 5: Solve for x
    x = 19,379,410.20/5,342.20
  6. Step 6: Final answer
    x = 3,627.61

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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.