Home / 3,765.33-5,196.53-2,172.46

Finding the Fourth Proportional to 3,765.33, 5,196.53 and 2,172.46

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Solution

The fourth proportional to 3,765.33, 5,196.53 and 2,172.46 is: 2,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.33 : 5,196.53 = 2,172.46 : x
  2. Step 2: Convert to fraction form
    3,765.33/5,196.53 = 2,172.46/x
  3. Step 3: Cross multiply
    3,765.33x = 5,196.53 × 2,172.46
  4. Step 4: Simplify right side
    3,765.33x = 11,289,253.56
  5. Step 5: Solve for x
    x = 11,289,253.56/3,765.33
  6. Step 6: Final answer
    x = 2,998.21

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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.