Home / 5,818.49-8,029.42-3,165.87

Finding the Fourth Proportional to 5,818.49, 8,029.42 and 3,165.87

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Solution

The fourth proportional to 5,818.49, 8,029.42 and 3,165.87 is: 4,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.49 : 8,029.42 = 3,165.87 : x
  2. Step 2: Convert to fraction form
    5,818.49/8,029.42 = 3,165.87/x
  3. Step 3: Cross multiply
    5,818.49x = 8,029.42 × 3,165.87
  4. Step 4: Simplify right side
    5,818.49x = 25,420,099.90
  5. Step 5: Solve for x
    x = 25,420,099.90/5,818.49
  6. Step 6: Final answer
    x = 4,368.85

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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.