Home / 1,932.91-2,667.48-1,048.75

Finding the Fourth Proportional to 1,932.91, 2,667.48 and 1,048.75

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Solution

The fourth proportional to 1,932.91, 2,667.48 and 1,048.75 is: 1,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.91 : 2,667.48 = 1,048.75 : x
  2. Step 2: Convert to fraction form
    1,932.91/2,667.48 = 1,048.75/x
  3. Step 3: Cross multiply
    1,932.91x = 2,667.48 × 1,048.75
  4. Step 4: Simplify right side
    1,932.91x = 2,797,514.95
  5. Step 5: Solve for x
    x = 2,797,514.95/1,932.91
  6. Step 6: Final answer
    x = 1,447.31

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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.