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Finding the Fourth Proportional to 3,695.92, 5,543.88 and 1,199.19

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Solution

The fourth proportional to 3,695.92, 5,543.88 and 1,199.19 is: 1,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.92 : 5,543.88 = 1,199.19 : x
  2. Step 2: Convert to fraction form
    3,695.92/5,543.88 = 1,199.19/x
  3. Step 3: Cross multiply
    3,695.92x = 5,543.88 × 1,199.19
  4. Step 4: Simplify right side
    3,695.92x = 6,648,181.75
  5. Step 5: Solve for x
    x = 6,648,181.75/3,695.92
  6. Step 6: Final answer
    x = 1,798.79

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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.