Home / 5,887.43-8,831.92-1,939.10

Finding the Fourth Proportional to 5,887.43, 8,831.92 and 1,939.10

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Solution

The fourth proportional to 5,887.43, 8,831.92 and 1,939.10 is: 2,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.43 : 8,831.92 = 1,939.10 : x
  2. Step 2: Convert to fraction form
    5,887.43/8,831.92 = 1,939.10/x
  3. Step 3: Cross multiply
    5,887.43x = 8,831.92 × 1,939.10
  4. Step 4: Simplify right side
    5,887.43x = 17,125,932.82
  5. Step 5: Solve for x
    x = 17,125,932.82/5,887.43
  6. Step 6: Final answer
    x = 2,908.90

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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.