Home / 5,826.47-8,040.50-3,173.87

Finding the Fourth Proportional to 5,826.47, 8,040.50 and 3,173.87

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Solution

The fourth proportional to 5,826.47, 8,040.50 and 3,173.87 is: 4,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.47 : 8,040.50 = 3,173.87 : x
  2. Step 2: Convert to fraction form
    5,826.47/8,040.50 = 3,173.87/x
  3. Step 3: Cross multiply
    5,826.47x = 8,040.50 × 3,173.87
  4. Step 4: Simplify right side
    5,826.47x = 25,519,469.47
  5. Step 5: Solve for x
    x = 25,519,469.47/5,826.47
  6. Step 6: Final answer
    x = 4,379.92

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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.