Home / 3,941.48-5,911.98-1,168.16

Finding the Fourth Proportional to 3,941.48, 5,911.98 and 1,168.16

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Solution

The fourth proportional to 3,941.48, 5,911.98 and 1,168.16 is: 1,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.48 : 5,911.98 = 1,168.16 : x
  2. Step 2: Convert to fraction form
    3,941.48/5,911.98 = 1,168.16/x
  3. Step 3: Cross multiply
    3,941.48x = 5,911.98 × 1,168.16
  4. Step 4: Simplify right side
    3,941.48x = 6,906,138.56
  5. Step 5: Solve for x
    x = 6,906,138.56/3,941.48
  6. Step 6: Final answer
    x = 1,752.17

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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.