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Finding the Fourth Proportional to 5,608.44, 7,743.35 and 3,487.20

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Solution

The fourth proportional to 5,608.44, 7,743.35 and 3,487.20 is: 4,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.44 : 7,743.35 = 3,487.20 : x
  2. Step 2: Convert to fraction form
    5,608.44/7,743.35 = 3,487.20/x
  3. Step 3: Cross multiply
    5,608.44x = 7,743.35 × 3,487.20
  4. Step 4: Simplify right side
    5,608.44x = 27,002,613.74
  5. Step 5: Solve for x
    x = 27,002,613.74/5,608.44
  6. Step 6: Final answer
    x = 4,814.64

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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.