Home / 5,778.82-8,673.15-2,271.28

Finding the Fourth Proportional to 5,778.82, 8,673.15 and 2,271.28

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Solution

The fourth proportional to 5,778.82, 8,673.15 and 2,271.28 is: 3,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.82 : 8,673.15 = 2,271.28 : x
  2. Step 2: Convert to fraction form
    5,778.82/8,673.15 = 2,271.28/x
  3. Step 3: Cross multiply
    5,778.82x = 8,673.15 × 2,271.28
  4. Step 4: Simplify right side
    5,778.82x = 19,699,152.13
  5. Step 5: Solve for x
    x = 19,699,152.13/5,778.82
  6. Step 6: Final answer
    x = 3,408.85

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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.