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Finding the Fourth Proportional to 3,575.98, 5,363.10 and 1,383.32

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Solution

The fourth proportional to 3,575.98, 5,363.10 and 1,383.32 is: 2,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.98 : 5,363.10 = 1,383.32 : x
  2. Step 2: Convert to fraction form
    3,575.98/5,363.10 = 1,383.32/x
  3. Step 3: Cross multiply
    3,575.98x = 5,363.10 × 1,383.32
  4. Step 4: Simplify right side
    3,575.98x = 7,418,883.49
  5. Step 5: Solve for x
    x = 7,418,883.49/3,575.98
  6. Step 6: Final answer
    x = 2,074.64

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Similar ratio
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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.