Home / 2,097.16-3,123.44-2,039.76

Finding the Fourth Proportional to 2,097.16, 3,123.44 and 2,039.76

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Solution

The fourth proportional to 2,097.16, 3,123.44 and 2,039.76 is: 3,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.16 : 3,123.44 = 2,039.76 : x
  2. Step 2: Convert to fraction form
    2,097.16/3,123.44 = 2,039.76/x
  3. Step 3: Cross multiply
    2,097.16x = 3,123.44 × 2,039.76
  4. Step 4: Simplify right side
    2,097.16x = 6,371,067.97
  5. Step 5: Solve for x
    x = 6,371,067.97/2,097.16
  6. Step 6: Final answer
    x = 3,037.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.