Home / 1,922.82-2,869.28-1,704.12

Finding the Fourth Proportional to 1,922.82, 2,869.28 and 1,704.12

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Solution

The fourth proportional to 1,922.82, 2,869.28 and 1,704.12 is: 2,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.82 : 2,869.28 = 1,704.12 : x
  2. Step 2: Convert to fraction form
    1,922.82/2,869.28 = 1,704.12/x
  3. Step 3: Cross multiply
    1,922.82x = 2,869.28 × 1,704.12
  4. Step 4: Simplify right side
    1,922.82x = 4,889,588.91
  5. Step 5: Solve for x
    x = 4,889,588.91/1,922.82
  6. Step 6: Final answer
    x = 2,542.93

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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.