Home / 7,222.64-10,831.52-2,027.28

Finding the Fourth Proportional to 7,222.64, 10,831.52 and 2,027.28

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Solution

The fourth proportional to 7,222.64, 10,831.52 and 2,027.28 is: 3,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.64 : 10,831.52 = 2,027.28 : x
  2. Step 2: Convert to fraction form
    7,222.64/10,831.52 = 2,027.28/x
  3. Step 3: Cross multiply
    7,222.64x = 10,831.52 × 2,027.28
  4. Step 4: Simplify right side
    7,222.64x = 21,958,523.87
  5. Step 5: Solve for x
    x = 21,958,523.87/7,222.64
  6. Step 6: Final answer
    x = 3,040.24

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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.