Home / 3,962.25-5,469.35-2,306.25

Finding the Fourth Proportional to 3,962.25, 5,469.35 and 2,306.25

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Solution

The fourth proportional to 3,962.25, 5,469.35 and 2,306.25 is: 3,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.25 : 5,469.35 = 2,306.25 : x
  2. Step 2: Convert to fraction form
    3,962.25/5,469.35 = 2,306.25/x
  3. Step 3: Cross multiply
    3,962.25x = 5,469.35 × 2,306.25
  4. Step 4: Simplify right side
    3,962.25x = 12,613,676.91
  5. Step 5: Solve for x
    x = 12,613,676.91/3,962.25
  6. Step 6: Final answer
    x = 3,183.46

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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.