Home / 3,738.96-5,160.96-2,481.12

Finding the Fourth Proportional to 3,738.96, 5,160.96 and 2,481.12

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Solution

The fourth proportional to 3,738.96, 5,160.96 and 2,481.12 is: 3,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.96 : 5,160.96 = 2,481.12 : x
  2. Step 2: Convert to fraction form
    3,738.96/5,160.96 = 2,481.12/x
  3. Step 3: Cross multiply
    3,738.96x = 5,160.96 × 2,481.12
  4. Step 4: Simplify right side
    3,738.96x = 12,804,961.08
  5. Step 5: Solve for x
    x = 12,804,961.08/3,738.96
  6. Step 6: Final answer
    x = 3,424.74

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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.