Home / 5,725.85-8,579.88-2,761.10

Finding the Fourth Proportional to 5,725.85, 8,579.88 and 2,761.10

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Solution

The fourth proportional to 5,725.85, 8,579.88 and 2,761.10 is: 4,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.85 : 8,579.88 = 2,761.10 : x
  2. Step 2: Convert to fraction form
    5,725.85/8,579.88 = 2,761.10/x
  3. Step 3: Cross multiply
    5,725.85x = 8,579.88 × 2,761.10
  4. Step 4: Simplify right side
    5,725.85x = 23,689,863.77
  5. Step 5: Solve for x
    x = 23,689,863.77/5,725.85
  6. Step 6: Final answer
    x = 4,137.36

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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.