Home / 3,801.98-5,247.61-2,230.58

Finding the Fourth Proportional to 3,801.98, 5,247.61 and 2,230.58

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Solution

The fourth proportional to 3,801.98, 5,247.61 and 2,230.58 is: 3,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.98 : 5,247.61 = 2,230.58 : x
  2. Step 2: Convert to fraction form
    3,801.98/5,247.61 = 2,230.58/x
  3. Step 3: Cross multiply
    3,801.98x = 5,247.61 × 2,230.58
  4. Step 4: Simplify right side
    3,801.98x = 11,705,213.91
  5. Step 5: Solve for x
    x = 11,705,213.91/3,801.98
  6. Step 6: Final answer
    x = 3,078.72

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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.