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Finding the Fourth Proportional to 5,118.56, 7,058.92 and 3,795.56

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Solution

The fourth proportional to 5,118.56, 7,058.92 and 3,795.56 is: 5,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.56 : 7,058.92 = 3,795.56 : x
  2. Step 2: Convert to fraction form
    5,118.56/7,058.92 = 3,795.56/x
  3. Step 3: Cross multiply
    5,118.56x = 7,058.92 × 3,795.56
  4. Step 4: Simplify right side
    5,118.56x = 26,792,554.40
  5. Step 5: Solve for x
    x = 26,792,554.40/5,118.56
  6. Step 6: Final answer
    x = 5,234.39

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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.