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Finding the Fourth Proportional to 5,241, 7,232.64 and 2,883.36

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Solution

The fourth proportional to 5,241, 7,232.64 and 2,883.36 is: 3,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241 : 7,232.64 = 2,883.36 : x
  2. Step 2: Convert to fraction form
    5,241/7,232.64 = 2,883.36/x
  3. Step 3: Cross multiply
    5,241x = 7,232.64 × 2,883.36
  4. Step 4: Simplify right side
    5,241x = 20,854,304.87
  5. Step 5: Solve for x
    x = 20,854,304.87/5,241
  6. Step 6: Final answer
    x = 3,979.07

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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.