Home / 3,933.52-5,428.25-2,361.61

Finding the Fourth Proportional to 3,933.52, 5,428.25 and 2,361.61

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Solution

The fourth proportional to 3,933.52, 5,428.25 and 2,361.61 is: 3,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.52 : 5,428.25 = 2,361.61 : x
  2. Step 2: Convert to fraction form
    3,933.52/5,428.25 = 2,361.61/x
  3. Step 3: Cross multiply
    3,933.52x = 5,428.25 × 2,361.61
  4. Step 4: Simplify right side
    3,933.52x = 12,819,409.48
  5. Step 5: Solve for x
    x = 12,819,409.48/3,933.52
  6. Step 6: Final answer
    x = 3,259.02

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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.