Home / 3,424.47-4,726.35-1,932.81

Finding the Fourth Proportional to 3,424.47, 4,726.35 and 1,932.81

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Solution

The fourth proportional to 3,424.47, 4,726.35 and 1,932.81 is: 2,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.47 : 4,726.35 = 1,932.81 : x
  2. Step 2: Convert to fraction form
    3,424.47/4,726.35 = 1,932.81/x
  3. Step 3: Cross multiply
    3,424.47x = 4,726.35 × 1,932.81
  4. Step 4: Simplify right side
    3,424.47x = 9,135,136.54
  5. Step 5: Solve for x
    x = 9,135,136.54/3,424.47
  6. Step 6: Final answer
    x = 2,667.61

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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.