Home / 5,528.17-7,629.11-3,170.77

Finding the Fourth Proportional to 5,528.17, 7,629.11 and 3,170.77

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Solution

The fourth proportional to 5,528.17, 7,629.11 and 3,170.77 is: 4,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.17 : 7,629.11 = 3,170.77 : x
  2. Step 2: Convert to fraction form
    5,528.17/7,629.11 = 3,170.77/x
  3. Step 3: Cross multiply
    5,528.17x = 7,629.11 × 3,170.77
  4. Step 4: Simplify right side
    5,528.17x = 24,190,160.45
  5. Step 5: Solve for x
    x = 24,190,160.45/5,528.17
  6. Step 6: Final answer
    x = 4,375.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.