Home / 7,171.12-10,733.65-3,831.02

Finding the Fourth Proportional to 7,171.12, 10,733.65 and 3,831.02

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Solution

The fourth proportional to 7,171.12, 10,733.65 and 3,831.02 is: 5,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.12 : 10,733.65 = 3,831.02 : x
  2. Step 2: Convert to fraction form
    7,171.12/10,733.65 = 3,831.02/x
  3. Step 3: Cross multiply
    7,171.12x = 10,733.65 × 3,831.02
  4. Step 4: Simplify right side
    7,171.12x = 41,120,804.83
  5. Step 5: Solve for x
    x = 41,120,804.83/7,171.12
  6. Step 6: Final answer
    x = 5,734.22

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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.