Home / 2,098.94-2,896.68-1,389.56

Finding the Fourth Proportional to 2,098.94, 2,896.68 and 1,389.56

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Solution

The fourth proportional to 2,098.94, 2,896.68 and 1,389.56 is: 1,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.94 : 2,896.68 = 1,389.56 : x
  2. Step 2: Convert to fraction form
    2,098.94/2,896.68 = 1,389.56/x
  3. Step 3: Cross multiply
    2,098.94x = 2,896.68 × 1,389.56
  4. Step 4: Simplify right side
    2,098.94x = 4,025,110.66
  5. Step 5: Solve for x
    x = 4,025,110.66/2,098.94
  6. Step 6: Final answer
    x = 1,917.69

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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.