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Finding the Fourth Proportional to 3,831.03, 5,275.89 and 3,449.66

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Solution

The fourth proportional to 3,831.03, 5,275.89 and 3,449.66 is: 4,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.03 : 5,275.89 = 3,449.66 : x
  2. Step 2: Convert to fraction form
    3,831.03/5,275.89 = 3,449.66/x
  3. Step 3: Cross multiply
    3,831.03x = 5,275.89 × 3,449.66
  4. Step 4: Simplify right side
    3,831.03x = 18,200,000.32
  5. Step 5: Solve for x
    x = 18,200,000.32/3,831.03
  6. Step 6: Final answer
    x = 4,750.68

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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.