Home / 4,831.20-6,668.64-2,841.66

Finding the Fourth Proportional to 4,831.20, 6,668.64 and 2,841.66

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Solution

The fourth proportional to 4,831.20, 6,668.64 and 2,841.66 is: 3,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.20 : 6,668.64 = 2,841.66 : x
  2. Step 2: Convert to fraction form
    4,831.20/6,668.64 = 2,841.66/x
  3. Step 3: Cross multiply
    4,831.20x = 6,668.64 × 2,841.66
  4. Step 4: Simplify right side
    4,831.20x = 18,950,007.54
  5. Step 5: Solve for x
    x = 18,950,007.54/4,831.20
  6. Step 6: Final answer
    x = 3,922.42

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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.