Home / 4,023.81-5,552.55-2,231.11

Finding the Fourth Proportional to 4,023.81, 5,552.55 and 2,231.11

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Solution

The fourth proportional to 4,023.81, 5,552.55 and 2,231.11 is: 3,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,023.81 : 5,552.55 = 2,231.11 : x
  2. Step 2: Convert to fraction form
    4,023.81/5,552.55 = 2,231.11/x
  3. Step 3: Cross multiply
    4,023.81x = 5,552.55 × 2,231.11
  4. Step 4: Simplify right side
    4,023.81x = 12,388,356.77
  5. Step 5: Solve for x
    x = 12,388,356.77/4,023.81
  6. Step 6: Final answer
    x = 3,078.76

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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.