Home / 6,950.22-10,420.68-3,831.72

Finding the Fourth Proportional to 6,950.22, 10,420.68 and 3,831.72

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Solution

The fourth proportional to 6,950.22, 10,420.68 and 3,831.72 is: 5,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,950.22 : 10,420.68 = 3,831.72 : x
  2. Step 2: Convert to fraction form
    6,950.22/10,420.68 = 3,831.72/x
  3. Step 3: Cross multiply
    6,950.22x = 10,420.68 × 3,831.72
  4. Step 4: Simplify right side
    6,950.22x = 39,929,127.97
  5. Step 5: Solve for x
    x = 39,929,127.97/6,950.22
  6. Step 6: Final answer
    x = 5,745.02

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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.