Home / 7,221.22-10,831.83-2,604.22

Finding the Fourth Proportional to 7,221.22, 10,831.83 and 2,604.22

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Solution

The fourth proportional to 7,221.22, 10,831.83 and 2,604.22 is: 3,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.22 : 10,831.83 = 2,604.22 : x
  2. Step 2: Convert to fraction form
    7,221.22/10,831.83 = 2,604.22/x
  3. Step 3: Cross multiply
    7,221.22x = 10,831.83 × 2,604.22
  4. Step 4: Simplify right side
    7,221.22x = 28,208,468.32
  5. Step 5: Solve for x
    x = 28,208,468.32/7,221.22
  6. Step 6: Final answer
    x = 3,906.33

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1.5x scale

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.