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Finding the Fourth Proportional to 3,971.63, 5,481.03 and 2,203.23

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Solution

The fourth proportional to 3,971.63, 5,481.03 and 2,203.23 is: 3,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.63 : 5,481.03 = 2,203.23 : x
  2. Step 2: Convert to fraction form
    3,971.63/5,481.03 = 2,203.23/x
  3. Step 3: Cross multiply
    3,971.63x = 5,481.03 × 2,203.23
  4. Step 4: Simplify right side
    3,971.63x = 12,075,998.54
  5. Step 5: Solve for x
    x = 12,075,998.54/3,971.63
  6. Step 6: Final answer
    x = 3,040.56

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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.