Home / 5,143.08-7,726.94-3,297.81

Finding the Fourth Proportional to 5,143.08, 7,726.94 and 3,297.81

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Solution

The fourth proportional to 5,143.08, 7,726.94 and 3,297.81 is: 4,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.08 : 7,726.94 = 3,297.81 : x
  2. Step 2: Convert to fraction form
    5,143.08/7,726.94 = 3,297.81/x
  3. Step 3: Cross multiply
    5,143.08x = 7,726.94 × 3,297.81
  4. Step 4: Simplify right side
    5,143.08x = 25,481,963.51
  5. Step 5: Solve for x
    x = 25,481,963.51/5,143.08
  6. Step 6: Final answer
    x = 4,954.61

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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.