Home / 5,511.44-7,605.83-3,153.53

Finding the Fourth Proportional to 5,511.44, 7,605.83 and 3,153.53

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Solution

The fourth proportional to 5,511.44, 7,605.83 and 3,153.53 is: 4,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.44 : 7,605.83 = 3,153.53 : x
  2. Step 2: Convert to fraction form
    5,511.44/7,605.83 = 3,153.53/x
  3. Step 3: Cross multiply
    5,511.44x = 7,605.83 × 3,153.53
  4. Step 4: Simplify right side
    5,511.44x = 23,985,239.98
  5. Step 5: Solve for x
    x = 23,985,239.98/5,511.44
  6. Step 6: Final answer
    x = 4,351.90

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1.5x scale

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.