Home / 3,635.16-5,455.50-2,663.80

Finding the Fourth Proportional to 3,635.16, 5,455.50 and 2,663.80

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Solution

The fourth proportional to 3,635.16, 5,455.50 and 2,663.80 is: 3,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.16 : 5,455.50 = 2,663.80 : x
  2. Step 2: Convert to fraction form
    3,635.16/5,455.50 = 2,663.80/x
  3. Step 3: Cross multiply
    3,635.16x = 5,455.50 × 2,663.80
  4. Step 4: Simplify right side
    3,635.16x = 14,532,360.90
  5. Step 5: Solve for x
    x = 14,532,360.90/3,635.16
  6. Step 6: Final answer
    x = 3,997.72

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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.