Home / 3,972.34-5,481.93-2,203.98

Finding the Fourth Proportional to 3,972.34, 5,481.93 and 2,203.98

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Solution

The fourth proportional to 3,972.34, 5,481.93 and 2,203.98 is: 3,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.34 : 5,481.93 = 2,203.98 : x
  2. Step 2: Convert to fraction form
    3,972.34/5,481.93 = 2,203.98/x
  3. Step 3: Cross multiply
    3,972.34x = 5,481.93 × 2,203.98
  4. Step 4: Simplify right side
    3,972.34x = 12,082,064.08
  5. Step 5: Solve for x
    x = 12,082,064.08/3,972.34
  6. Step 6: Final answer
    x = 3,041.55

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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.