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Finding the Fourth Proportional to 2,396.58, 3,591.20 and 1,613.70

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Solution

The fourth proportional to 2,396.58, 3,591.20 and 1,613.70 is: 2,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.58 : 3,591.20 = 1,613.70 : x
  2. Step 2: Convert to fraction form
    2,396.58/3,591.20 = 1,613.70/x
  3. Step 3: Cross multiply
    2,396.58x = 3,591.20 × 1,613.70
  4. Step 4: Simplify right side
    2,396.58x = 5,795,119.44
  5. Step 5: Solve for x
    x = 5,795,119.44/2,396.58
  6. Step 6: Final answer
    x = 2,418.08

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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.