Home / 5,016.42-6,922.54-2,778.16

Finding the Fourth Proportional to 5,016.42, 6,922.54 and 2,778.16

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Solution

The fourth proportional to 5,016.42, 6,922.54 and 2,778.16 is: 3,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.42 : 6,922.54 = 2,778.16 : x
  2. Step 2: Convert to fraction form
    5,016.42/6,922.54 = 2,778.16/x
  3. Step 3: Cross multiply
    5,016.42x = 6,922.54 × 2,778.16
  4. Step 4: Simplify right side
    5,016.42x = 19,231,923.73
  5. Step 5: Solve for x
    x = 19,231,923.73/5,016.42
  6. Step 6: Final answer
    x = 3,833.79

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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.