Home / 5,361.30-7,400.43-3,238.02

Finding the Fourth Proportional to 5,361.30, 7,400.43 and 3,238.02

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Solution

The fourth proportional to 5,361.30, 7,400.43 and 3,238.02 is: 4,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.30 : 7,400.43 = 3,238.02 : x
  2. Step 2: Convert to fraction form
    5,361.30/7,400.43 = 3,238.02/x
  3. Step 3: Cross multiply
    5,361.30x = 7,400.43 × 3,238.02
  4. Step 4: Simplify right side
    5,361.30x = 23,962,740.35
  5. Step 5: Solve for x
    x = 23,962,740.35/5,361.30
  6. Step 6: Final answer
    x = 4,469.58

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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.