Home / 3,228.66-4,455.55-1,831.41

Finding the Fourth Proportional to 3,228.66, 4,455.55 and 1,831.41

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Solution

The fourth proportional to 3,228.66, 4,455.55 and 1,831.41 is: 2,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.66 : 4,455.55 = 1,831.41 : x
  2. Step 2: Convert to fraction form
    3,228.66/4,455.55 = 1,831.41/x
  3. Step 3: Cross multiply
    3,228.66x = 4,455.55 × 1,831.41
  4. Step 4: Simplify right side
    3,228.66x = 8,159,917.54
  5. Step 5: Solve for x
    x = 8,159,917.54/3,228.66
  6. Step 6: Final answer
    x = 2,527.34

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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.