Home / 3,481.47-5,202.12-2,631.58

Finding the Fourth Proportional to 3,481.47, 5,202.12 and 2,631.58

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Solution

The fourth proportional to 3,481.47, 5,202.12 and 2,631.58 is: 3,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.47 : 5,202.12 = 2,631.58 : x
  2. Step 2: Convert to fraction form
    3,481.47/5,202.12 = 2,631.58/x
  3. Step 3: Cross multiply
    3,481.47x = 5,202.12 × 2,631.58
  4. Step 4: Simplify right side
    3,481.47x = 13,689,795.34
  5. Step 5: Solve for x
    x = 13,689,795.34/3,481.47
  6. Step 6: Final answer
    x = 3,932.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.