Home / 3,997.80-5,989.55-2,436.98

Finding the Fourth Proportional to 3,997.80, 5,989.55 and 2,436.98

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Solution

The fourth proportional to 3,997.80, 5,989.55 and 2,436.98 is: 3,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.80 : 5,989.55 = 2,436.98 : x
  2. Step 2: Convert to fraction form
    3,997.80/5,989.55 = 2,436.98/x
  3. Step 3: Cross multiply
    3,997.80x = 5,989.55 × 2,436.98
  4. Step 4: Simplify right side
    3,997.80x = 14,596,371.43
  5. Step 5: Solve for x
    x = 14,596,371.43/3,997.80
  6. Step 6: Final answer
    x = 3,651.10

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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.