Home / 4,077.74-6,115.80-1,996.85

Finding the Fourth Proportional to 4,077.74, 6,115.80 and 1,996.85

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Solution

The fourth proportional to 4,077.74, 6,115.80 and 1,996.85 is: 2,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.74 : 6,115.80 = 1,996.85 : x
  2. Step 2: Convert to fraction form
    4,077.74/6,115.80 = 1,996.85/x
  3. Step 3: Cross multiply
    4,077.74x = 6,115.80 × 1,996.85
  4. Step 4: Simplify right side
    4,077.74x = 12,212,335.23
  5. Step 5: Solve for x
    x = 12,212,335.23/4,077.74
  6. Step 6: Final answer
    x = 2,994.88

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1.5x scale

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.