Home / 5,110.77-7,651.26-3,800.34

Finding the Fourth Proportional to 5,110.77, 7,651.26 and 3,800.34

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Solution

The fourth proportional to 5,110.77, 7,651.26 and 3,800.34 is: 5,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.77 : 7,651.26 = 3,800.34 : x
  2. Step 2: Convert to fraction form
    5,110.77/7,651.26 = 3,800.34/x
  3. Step 3: Cross multiply
    5,110.77x = 7,651.26 × 3,800.34
  4. Step 4: Simplify right side
    5,110.77x = 29,077,389.43
  5. Step 5: Solve for x
    x = 29,077,389.43/5,110.77
  6. Step 6: Final answer
    x = 5,689.43

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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.