Home / 5,912.13-8,871.27-3,831.58

Finding the Fourth Proportional to 5,912.13, 8,871.27 and 3,831.58

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Solution

The fourth proportional to 5,912.13, 8,871.27 and 3,831.58 is: 5,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.13 : 8,871.27 = 3,831.58 : x
  2. Step 2: Convert to fraction form
    5,912.13/8,871.27 = 3,831.58/x
  3. Step 3: Cross multiply
    5,912.13x = 8,871.27 × 3,831.58
  4. Step 4: Simplify right side
    5,912.13x = 33,990,980.71
  5. Step 5: Solve for x
    x = 33,990,980.71/5,912.13
  6. Step 6: Final answer
    x = 5,749.36

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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.