Home / 5,869.92-8,101.92-3,984.64

Finding the Fourth Proportional to 5,869.92, 8,101.92 and 3,984.64

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Solution

The fourth proportional to 5,869.92, 8,101.92 and 3,984.64 is: 5,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.92 : 8,101.92 = 3,984.64 : x
  2. Step 2: Convert to fraction form
    5,869.92/8,101.92 = 3,984.64/x
  3. Step 3: Cross multiply
    5,869.92x = 8,101.92 × 3,984.64
  4. Step 4: Simplify right side
    5,869.92x = 32,283,274.77
  5. Step 5: Solve for x
    x = 32,283,274.77/5,869.92
  6. Step 6: Final answer
    x = 5,499.78

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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.