Home / 5,371.92-8,056.13-2,086.16

Finding the Fourth Proportional to 5,371.92, 8,056.13 and 2,086.16

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Solution

The fourth proportional to 5,371.92, 8,056.13 and 2,086.16 is: 3,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.92 : 8,056.13 = 2,086.16 : x
  2. Step 2: Convert to fraction form
    5,371.92/8,056.13 = 2,086.16/x
  3. Step 3: Cross multiply
    5,371.92x = 8,056.13 × 2,086.16
  4. Step 4: Simplify right side
    5,371.92x = 16,806,325.45
  5. Step 5: Solve for x
    x = 16,806,325.45/5,371.92
  6. Step 6: Final answer
    x = 3,128.55

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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.