Home / 3,851.98-5,310.57-2,525.20

Finding the Fourth Proportional to 3,851.98, 5,310.57 and 2,525.20

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Solution

The fourth proportional to 3,851.98, 5,310.57 and 2,525.20 is: 3,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.98 : 5,310.57 = 2,525.20 : x
  2. Step 2: Convert to fraction form
    3,851.98/5,310.57 = 2,525.20/x
  3. Step 3: Cross multiply
    3,851.98x = 5,310.57 × 2,525.20
  4. Step 4: Simplify right side
    3,851.98x = 13,410,251.36
  5. Step 5: Solve for x
    x = 13,410,251.36/3,851.98
  6. Step 6: Final answer
    x = 3,481.39

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Half scale
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Double scale
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Similar ratio
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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.