Home / 5,491.68-8,232.64-2,028.12

Finding the Fourth Proportional to 5,491.68, 8,232.64 and 2,028.12

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Solution

The fourth proportional to 5,491.68, 8,232.64 and 2,028.12 is: 3,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.68 : 8,232.64 = 2,028.12 : x
  2. Step 2: Convert to fraction form
    5,491.68/8,232.64 = 2,028.12/x
  3. Step 3: Cross multiply
    5,491.68x = 8,232.64 × 2,028.12
  4. Step 4: Simplify right side
    5,491.68x = 16,696,781.84
  5. Step 5: Solve for x
    x = 16,696,781.84/5,491.68
  6. Step 6: Final answer
    x = 3,040.38

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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.