Home / 5,831.88-8,749.19-1,936.29

Finding the Fourth Proportional to 5,831.88, 8,749.19 and 1,936.29

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Solution

The fourth proportional to 5,831.88, 8,749.19 and 1,936.29 is: 2,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.88 : 8,749.19 = 1,936.29 : x
  2. Step 2: Convert to fraction form
    5,831.88/8,749.19 = 1,936.29/x
  3. Step 3: Cross multiply
    5,831.88x = 8,749.19 × 1,936.29
  4. Step 4: Simplify right side
    5,831.88x = 16,940,969.11
  5. Step 5: Solve for x
    x = 16,940,969.11/5,831.88
  6. Step 6: Final answer
    x = 2,904.89

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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.