Home / 3,833.11-5,289.66-2,154.55

Finding the Fourth Proportional to 3,833.11, 5,289.66 and 2,154.55

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Solution

The fourth proportional to 3,833.11, 5,289.66 and 2,154.55 is: 2,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.11 : 5,289.66 = 2,154.55 : x
  2. Step 2: Convert to fraction form
    3,833.11/5,289.66 = 2,154.55/x
  3. Step 3: Cross multiply
    3,833.11x = 5,289.66 × 2,154.55
  4. Step 4: Simplify right side
    3,833.11x = 11,396,836.95
  5. Step 5: Solve for x
    x = 11,396,836.95/3,833.11
  6. Step 6: Final answer
    x = 2,973.26

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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.