Home / 3,176.03-4,382.97-1,831.61

Finding the Fourth Proportional to 3,176.03, 4,382.97 and 1,831.61

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Solution

The fourth proportional to 3,176.03, 4,382.97 and 1,831.61 is: 2,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.03 : 4,382.97 = 1,831.61 : x
  2. Step 2: Convert to fraction form
    3,176.03/4,382.97 = 1,831.61/x
  3. Step 3: Cross multiply
    3,176.03x = 4,382.97 × 1,831.61
  4. Step 4: Simplify right side
    3,176.03x = 8,027,902.64
  5. Step 5: Solve for x
    x = 8,027,902.64/3,176.03
  6. Step 6: Final answer
    x = 2,527.65

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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.