Home / 5,517.99-7,611.44-3,278.34

Finding the Fourth Proportional to 5,517.99, 7,611.44 and 3,278.34

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Solution

The fourth proportional to 5,517.99, 7,611.44 and 3,278.34 is: 4,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.99 : 7,611.44 = 3,278.34 : x
  2. Step 2: Convert to fraction form
    5,517.99/7,611.44 = 3,278.34/x
  3. Step 3: Cross multiply
    5,517.99x = 7,611.44 × 3,278.34
  4. Step 4: Simplify right side
    5,517.99x = 24,952,871.82
  5. Step 5: Solve for x
    x = 24,952,871.82/5,517.99
  6. Step 6: Final answer
    x = 4,522.09

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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.