Home / 5,511.87-7,606.17-3,153.96

Finding the Fourth Proportional to 5,511.87, 7,606.17 and 3,153.96

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Solution

The fourth proportional to 5,511.87, 7,606.17 and 3,153.96 is: 4,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.87 : 7,606.17 = 3,153.96 : x
  2. Step 2: Convert to fraction form
    5,511.87/7,606.17 = 3,153.96/x
  3. Step 3: Cross multiply
    5,511.87x = 7,606.17 × 3,153.96
  4. Step 4: Simplify right side
    5,511.87x = 23,989,540.16
  5. Step 5: Solve for x
    x = 23,989,540.16/5,511.87
  6. Step 6: Final answer
    x = 4,352.34

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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.