Home / 3,091.98-4,267.02-1,694.76

Finding the Fourth Proportional to 3,091.98, 4,267.02 and 1,694.76

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Solution

The fourth proportional to 3,091.98, 4,267.02 and 1,694.76 is: 2,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.98 : 4,267.02 = 1,694.76 : x
  2. Step 2: Convert to fraction form
    3,091.98/4,267.02 = 1,694.76/x
  3. Step 3: Cross multiply
    3,091.98x = 4,267.02 × 1,694.76
  4. Step 4: Simplify right side
    3,091.98x = 7,231,574.82
  5. Step 5: Solve for x
    x = 7,231,574.82/3,091.98
  6. Step 6: Final answer
    x = 2,338.82

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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.