Home / 5,449.39-7,519.93-3,091.97

Finding the Fourth Proportional to 5,449.39, 7,519.93 and 3,091.97

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Solution

The fourth proportional to 5,449.39, 7,519.93 and 3,091.97 is: 4,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.39 : 7,519.93 = 3,091.97 : x
  2. Step 2: Convert to fraction form
    5,449.39/7,519.93 = 3,091.97/x
  3. Step 3: Cross multiply
    5,449.39x = 7,519.93 × 3,091.97
  4. Step 4: Simplify right side
    5,449.39x = 23,251,409.03
  5. Step 5: Solve for x
    x = 23,251,409.03/5,449.39
  6. Step 6: Final answer
    x = 4,266.79

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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.