Home / 5,215.13-7,806.97-3,362.56

Finding the Fourth Proportional to 5,215.13, 7,806.97 and 3,362.56

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Solution

The fourth proportional to 5,215.13, 7,806.97 and 3,362.56 is: 5,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.13 : 7,806.97 = 3,362.56 : x
  2. Step 2: Convert to fraction form
    5,215.13/7,806.97 = 3,362.56/x
  3. Step 3: Cross multiply
    5,215.13x = 7,806.97 × 3,362.56
  4. Step 4: Simplify right side
    5,215.13x = 26,251,366.01
  5. Step 5: Solve for x
    x = 26,251,366.01/5,215.13
  6. Step 6: Final answer
    x = 5,033.69

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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.