Home / 5,208.34-7,183.75-3,318.06

Finding the Fourth Proportional to 5,208.34, 7,183.75 and 3,318.06

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Solution

The fourth proportional to 5,208.34, 7,183.75 and 3,318.06 is: 4,576.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.34 : 7,183.75 = 3,318.06 : x
  2. Step 2: Convert to fraction form
    5,208.34/7,183.75 = 3,318.06/x
  3. Step 3: Cross multiply
    5,208.34x = 7,183.75 × 3,318.06
  4. Step 4: Simplify right side
    5,208.34x = 23,836,113.53
  5. Step 5: Solve for x
    x = 23,836,113.53/5,208.34
  6. Step 6: Final answer
    x = 4,576.53

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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.