Home / 4,950.90-6,831.99-2,712.38

Finding the Fourth Proportional to 4,950.90, 6,831.99 and 2,712.38

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Solution

The fourth proportional to 4,950.90, 6,831.99 and 2,712.38 is: 3,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.90 : 6,831.99 = 2,712.38 : x
  2. Step 2: Convert to fraction form
    4,950.90/6,831.99 = 2,712.38/x
  3. Step 3: Cross multiply
    4,950.90x = 6,831.99 × 2,712.38
  4. Step 4: Simplify right side
    4,950.90x = 18,530,918.88
  5. Step 5: Solve for x
    x = 18,530,918.88/4,950.90
  6. Step 6: Final answer
    x = 3,742.94

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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.