Home / 5,640.55-8,462.72-2,522.69

Finding the Fourth Proportional to 5,640.55, 8,462.72 and 2,522.69

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Solution

The fourth proportional to 5,640.55, 8,462.72 and 2,522.69 is: 3,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.55 : 8,462.72 = 2,522.69 : x
  2. Step 2: Convert to fraction form
    5,640.55/8,462.72 = 2,522.69/x
  3. Step 3: Cross multiply
    5,640.55x = 8,462.72 × 2,522.69
  4. Step 4: Simplify right side
    5,640.55x = 21,348,783.11
  5. Step 5: Solve for x
    x = 21,348,783.11/5,640.55
  6. Step 6: Final answer
    x = 3,784.88

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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.