Home / 4,511.30-6,223.64-2,831.56

Finding the Fourth Proportional to 4,511.30, 6,223.64 and 2,831.56

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Solution

The fourth proportional to 4,511.30, 6,223.64 and 2,831.56 is: 3,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.30 : 6,223.64 = 2,831.56 : x
  2. Step 2: Convert to fraction form
    4,511.30/6,223.64 = 2,831.56/x
  3. Step 3: Cross multiply
    4,511.30x = 6,223.64 × 2,831.56
  4. Step 4: Simplify right side
    4,511.30x = 17,622,610.08
  5. Step 5: Solve for x
    x = 17,622,610.08/4,511.30
  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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.