Home / 3,177.25-4,765.83-1,928.14

Finding the Fourth Proportional to 3,177.25, 4,765.83 and 1,928.14

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Solution

The fourth proportional to 3,177.25, 4,765.83 and 1,928.14 is: 2,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.25 : 4,765.83 = 1,928.14 : x
  2. Step 2: Convert to fraction form
    3,177.25/4,765.83 = 1,928.14/x
  3. Step 3: Cross multiply
    3,177.25x = 4,765.83 × 1,928.14
  4. Step 4: Simplify right side
    3,177.25x = 9,189,187.46
  5. Step 5: Solve for x
    x = 9,189,187.46/3,177.25
  6. Step 6: Final answer
    x = 2,892.18

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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.