Home / 5,481.15-7,561.89-3,354.97

Finding the Fourth Proportional to 5,481.15, 7,561.89 and 3,354.97

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Solution

The fourth proportional to 5,481.15, 7,561.89 and 3,354.97 is: 4,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.15 : 7,561.89 = 3,354.97 : x
  2. Step 2: Convert to fraction form
    5,481.15/7,561.89 = 3,354.97/x
  3. Step 3: Cross multiply
    5,481.15x = 7,561.89 × 3,354.97
  4. Step 4: Simplify right side
    5,481.15x = 25,369,914.09
  5. Step 5: Solve for x
    x = 25,369,914.09/5,481.15
  6. Step 6: Final answer
    x = 4,628.58

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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.