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Finding the Fourth Proportional to 5,241.78, 7,233.61 and 3,003.64

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Solution

The fourth proportional to 5,241.78, 7,233.61 and 3,003.64 is: 4,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.78 : 7,233.61 = 3,003.64 : x
  2. Step 2: Convert to fraction form
    5,241.78/7,233.61 = 3,003.64/x
  3. Step 3: Cross multiply
    5,241.78x = 7,233.61 × 3,003.64
  4. Step 4: Simplify right side
    5,241.78x = 21,727,160.34
  5. Step 5: Solve for x
    x = 21,727,160.34/5,241.78
  6. Step 6: Final answer
    x = 4,145.00

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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.