Home / 1,675.14-2,321.73-1,644.03

Finding the Fourth Proportional to 1,675.14, 2,321.73 and 1,644.03

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Solution

The fourth proportional to 1,675.14, 2,321.73 and 1,644.03 is: 2,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.14 : 2,321.73 = 1,644.03 : x
  2. Step 2: Convert to fraction form
    1,675.14/2,321.73 = 1,644.03/x
  3. Step 3: Cross multiply
    1,675.14x = 2,321.73 × 1,644.03
  4. Step 4: Simplify right side
    1,675.14x = 3,816,993.77
  5. Step 5: Solve for x
    x = 3,816,993.77/1,675.14
  6. Step 6: Final answer
    x = 2,278.61

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.