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Finding the Fourth Proportional to 3,801.03, 5,250.48 and 3,057.79

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Solution

The fourth proportional to 3,801.03, 5,250.48 and 3,057.79 is: 4,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.03 : 5,250.48 = 3,057.79 : x
  2. Step 2: Convert to fraction form
    3,801.03/5,250.48 = 3,057.79/x
  3. Step 3: Cross multiply
    3,801.03x = 5,250.48 × 3,057.79
  4. Step 4: Simplify right side
    3,801.03x = 16,054,865.24
  5. Step 5: Solve for x
    x = 16,054,865.24/3,801.03
  6. Step 6: Final answer
    x = 4,223.82

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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.