Home / 3,433.41-5,143.25-1,581.99

Finding the Fourth Proportional to 3,433.41, 5,143.25 and 1,581.99

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Solution

The fourth proportional to 3,433.41, 5,143.25 and 1,581.99 is: 2,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.41 : 5,143.25 = 1,581.99 : x
  2. Step 2: Convert to fraction form
    3,433.41/5,143.25 = 1,581.99/x
  3. Step 3: Cross multiply
    3,433.41x = 5,143.25 × 1,581.99
  4. Step 4: Simplify right side
    3,433.41x = 8,136,562.16
  5. Step 5: Solve for x
    x = 8,136,562.16/3,433.41
  6. Step 6: Final answer
    x = 2,369.82

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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.