Home / 2,996.35-4,134.86-1,877.89

Finding the Fourth Proportional to 2,996.35, 4,134.86 and 1,877.89

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Solution

The fourth proportional to 2,996.35, 4,134.86 and 1,877.89 is: 2,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.35 : 4,134.86 = 1,877.89 : x
  2. Step 2: Convert to fraction form
    2,996.35/4,134.86 = 1,877.89/x
  3. Step 3: Cross multiply
    2,996.35x = 4,134.86 × 1,877.89
  4. Step 4: Simplify right side
    2,996.35x = 7,764,817.88
  5. Step 5: Solve for x
    x = 7,764,817.88/2,996.35
  6. Step 6: Final answer
    x = 2,591.43

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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.