Home / 4,918.52-6,786.96-2,793.28

Finding the Fourth Proportional to 4,918.52, 6,786.96 and 2,793.28

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Solution

The fourth proportional to 4,918.52, 6,786.96 and 2,793.28 is: 3,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.52 : 6,786.96 = 2,793.28 : x
  2. Step 2: Convert to fraction form
    4,918.52/6,786.96 = 2,793.28/x
  3. Step 3: Cross multiply
    4,918.52x = 6,786.96 × 2,793.28
  4. Step 4: Simplify right side
    4,918.52x = 18,957,879.63
  5. Step 5: Solve for x
    x = 18,957,879.63/4,918.52
  6. Step 6: Final answer
    x = 3,854.39

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1.5x scale

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.