Home / 3,343.82-5,015.91-1,394.06

Finding the Fourth Proportional to 3,343.82, 5,015.91 and 1,394.06

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Solution

The fourth proportional to 3,343.82, 5,015.91 and 1,394.06 is: 2,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.82 : 5,015.91 = 1,394.06 : x
  2. Step 2: Convert to fraction form
    3,343.82/5,015.91 = 1,394.06/x
  3. Step 3: Cross multiply
    3,343.82x = 5,015.91 × 1,394.06
  4. Step 4: Simplify right side
    3,343.82x = 6,992,479.49
  5. Step 5: Solve for x
    x = 6,992,479.49/3,343.82
  6. Step 6: Final answer
    x = 2,091.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.