Home / 3,576.42-5,363.28-2,115.99

Finding the Fourth Proportional to 3,576.42, 5,363.28 and 2,115.99

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Solution

The fourth proportional to 3,576.42, 5,363.28 and 2,115.99 is: 3,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.42 : 5,363.28 = 2,115.99 : x
  2. Step 2: Convert to fraction form
    3,576.42/5,363.28 = 2,115.99/x
  3. Step 3: Cross multiply
    3,576.42x = 5,363.28 × 2,115.99
  4. Step 4: Simplify right side
    3,576.42x = 11,348,646.85
  5. Step 5: Solve for x
    x = 11,348,646.85/3,576.42
  6. Step 6: Final answer
    x = 3,173.19

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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.