Home / 3,815.73-5,267.31-2,767.59

Finding the Fourth Proportional to 3,815.73, 5,267.31 and 2,767.59

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Solution

The fourth proportional to 3,815.73, 5,267.31 and 2,767.59 is: 3,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.73 : 5,267.31 = 2,767.59 : x
  2. Step 2: Convert to fraction form
    3,815.73/5,267.31 = 2,767.59/x
  3. Step 3: Cross multiply
    3,815.73x = 5,267.31 × 2,767.59
  4. Step 4: Simplify right side
    3,815.73x = 14,577,754.48
  5. Step 5: Solve for x
    x = 14,577,754.48/3,815.73
  6. Step 6: Final answer
    x = 3,820.44

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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.