Home / 1,939.14-2,675.97-1,054.92

Finding the Fourth Proportional to 1,939.14, 2,675.97 and 1,054.92

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Solution

The fourth proportional to 1,939.14, 2,675.97 and 1,054.92 is: 1,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.14 : 2,675.97 = 1,054.92 : x
  2. Step 2: Convert to fraction form
    1,939.14/2,675.97 = 1,054.92/x
  3. Step 3: Cross multiply
    1,939.14x = 2,675.97 × 1,054.92
  4. Step 4: Simplify right side
    1,939.14x = 2,822,944.31
  5. Step 5: Solve for x
    x = 2,822,944.31/1,939.14
  6. Step 6: Final answer
    x = 1,455.77

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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.