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Finding the Fourth Proportional to 6,396.30, 8,825.54 and 3,743.19

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Solution

The fourth proportional to 6,396.30, 8,825.54 and 3,743.19 is: 5,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.30 : 8,825.54 = 3,743.19 : x
  2. Step 2: Convert to fraction form
    6,396.30/8,825.54 = 3,743.19/x
  3. Step 3: Cross multiply
    6,396.30x = 8,825.54 × 3,743.19
  4. Step 4: Simplify right side
    6,396.30x = 33,035,654.36
  5. Step 5: Solve for x
    x = 33,035,654.36/6,396.30
  6. Step 6: Final answer
    x = 5,164.81

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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.