Home / 5,914.91-8,871.20-1,965.54

Finding the Fourth Proportional to 5,914.91, 8,871.20 and 1,965.54

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Solution

The fourth proportional to 5,914.91, 8,871.20 and 1,965.54 is: 2,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.91 : 8,871.20 = 1,965.54 : x
  2. Step 2: Convert to fraction form
    5,914.91/8,871.20 = 1,965.54/x
  3. Step 3: Cross multiply
    5,914.91x = 8,871.20 × 1,965.54
  4. Step 4: Simplify right side
    5,914.91x = 17,436,688.62
  5. Step 5: Solve for x
    x = 17,436,688.62/5,914.91
  6. Step 6: Final answer
    x = 2,947.92

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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.