Home / 5,016.78-6,923.64-2,892.36

Finding the Fourth Proportional to 5,016.78, 6,923.64 and 2,892.36

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Solution

The fourth proportional to 5,016.78, 6,923.64 and 2,892.36 is: 3,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.78 : 6,923.64 = 2,892.36 : x
  2. Step 2: Convert to fraction form
    5,016.78/6,923.64 = 2,892.36/x
  3. Step 3: Cross multiply
    5,016.78x = 6,923.64 × 2,892.36
  4. Step 4: Simplify right side
    5,016.78x = 20,025,659.39
  5. Step 5: Solve for x
    x = 20,025,659.39/5,016.78
  6. Step 6: Final answer
    x = 3,991.74

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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.