Home / 4,080.76-6,124.21-1,891.02

Finding the Fourth Proportional to 4,080.76, 6,124.21 and 1,891.02

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Solution

The fourth proportional to 4,080.76, 6,124.21 and 1,891.02 is: 2,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.76 : 6,124.21 = 1,891.02 : x
  2. Step 2: Convert to fraction form
    4,080.76/6,124.21 = 1,891.02/x
  3. Step 3: Cross multiply
    4,080.76x = 6,124.21 × 1,891.02
  4. Step 4: Simplify right side
    4,080.76x = 11,581,003.59
  5. Step 5: Solve for x
    x = 11,581,003.59/4,080.76
  6. Step 6: Final answer
    x = 2,837.95

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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.