Home / 5,972.64-8,240.04-3,876

Finding the Fourth Proportional to 5,972.64, 8,240.04 and 3,876

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Solution

The fourth proportional to 5,972.64, 8,240.04 and 3,876 is: 5,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.64 : 8,240.04 = 3,876 : x
  2. Step 2: Convert to fraction form
    5,972.64/8,240.04 = 3,876/x
  3. Step 3: Cross multiply
    5,972.64x = 8,240.04 × 3,876
  4. Step 4: Simplify right side
    5,972.64x = 31,938,395.04
  5. Step 5: Solve for x
    x = 31,938,395.04/5,972.64
  6. Step 6: Final answer
    x = 5,347.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.