Home / 2,836.83-3,914.60-1,577.79

Finding the Fourth Proportional to 2,836.83, 3,914.60 and 1,577.79

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Solution

The fourth proportional to 2,836.83, 3,914.60 and 1,577.79 is: 2,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.83 : 3,914.60 = 1,577.79 : x
  2. Step 2: Convert to fraction form
    2,836.83/3,914.60 = 1,577.79/x
  3. Step 3: Cross multiply
    2,836.83x = 3,914.60 × 1,577.79
  4. Step 4: Simplify right side
    2,836.83x = 6,176,408.85
  5. Step 5: Solve for x
    x = 6,176,408.85/2,836.83
  6. Step 6: Final answer
    x = 2,177.22

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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.