Home / 2,748.84-4,123.41-801.18

Finding the Fourth Proportional to 2,748.84, 4,123.41 and 801.18

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Solution

The fourth proportional to 2,748.84, 4,123.41 and 801.18 is: 1,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.84 : 4,123.41 = 801.18 : x
  2. Step 2: Convert to fraction form
    2,748.84/4,123.41 = 801.18/x
  3. Step 3: Cross multiply
    2,748.84x = 4,123.41 × 801.18
  4. Step 4: Simplify right side
    2,748.84x = 3,303,593.62
  5. Step 5: Solve for x
    x = 3,303,593.62/2,748.84
  6. Step 6: Final answer
    x = 1,201.81

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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.