Home / 3,481.60-4,801.92-2,376.96

Finding the Fourth Proportional to 3,481.60, 4,801.92 and 2,376.96

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Solution

The fourth proportional to 3,481.60, 4,801.92 and 2,376.96 is: 3,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.60 : 4,801.92 = 2,376.96 : x
  2. Step 2: Convert to fraction form
    3,481.60/4,801.92 = 2,376.96/x
  3. Step 3: Cross multiply
    3,481.60x = 4,801.92 × 2,376.96
  4. Step 4: Simplify right side
    3,481.60x = 11,413,971.76
  5. Step 5: Solve for x
    x = 11,413,971.76/3,481.60
  6. Step 6: Final answer
    x = 3,278.37

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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.