Home / 3,599.12-5,396.39-1,518.56

Finding the Fourth Proportional to 3,599.12, 5,396.39 and 1,518.56

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Solution

The fourth proportional to 3,599.12, 5,396.39 and 1,518.56 is: 2,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.12 : 5,396.39 = 1,518.56 : x
  2. Step 2: Convert to fraction form
    3,599.12/5,396.39 = 1,518.56/x
  3. Step 3: Cross multiply
    3,599.12x = 5,396.39 × 1,518.56
  4. Step 4: Simplify right side
    3,599.12x = 8,194,747.90
  5. Step 5: Solve for x
    x = 8,194,747.90/3,599.12
  6. Step 6: Final answer
    x = 2,276.87

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1.5x scale

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.