Home / 3,864.85-5,797.31-1,091.61

Finding the Fourth Proportional to 3,864.85, 5,797.31 and 1,091.61

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Solution

The fourth proportional to 3,864.85, 5,797.31 and 1,091.61 is: 1,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.85 : 5,797.31 = 1,091.61 : x
  2. Step 2: Convert to fraction form
    3,864.85/5,797.31 = 1,091.61/x
  3. Step 3: Cross multiply
    3,864.85x = 5,797.31 × 1,091.61
  4. Step 4: Simplify right side
    3,864.85x = 6,328,396.11
  5. Step 5: Solve for x
    x = 6,328,396.11/3,864.85
  6. Step 6: Final answer
    x = 1,637.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.