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Finding the Fourth Proportional to 5,257.95, 7,233.62 and 5,112.15

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Solution

The fourth proportional to 5,257.95, 7,233.62 and 5,112.15 is: 7,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.95 : 7,233.62 = 5,112.15 : x
  2. Step 2: Convert to fraction form
    5,257.95/7,233.62 = 5,112.15/x
  3. Step 3: Cross multiply
    5,257.95x = 7,233.62 × 5,112.15
  4. Step 4: Simplify right side
    5,257.95x = 36,979,324.92
  5. Step 5: Solve for x
    x = 36,979,324.92/5,257.95
  6. Step 6: Final answer
    x = 7,033.03

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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.