Home / 3,611.57-4,986.12-2,286.41

Finding the Fourth Proportional to 3,611.57, 4,986.12 and 2,286.41

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Solution

The fourth proportional to 3,611.57, 4,986.12 and 2,286.41 is: 3,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.57 : 4,986.12 = 2,286.41 : x
  2. Step 2: Convert to fraction form
    3,611.57/4,986.12 = 2,286.41/x
  3. Step 3: Cross multiply
    3,611.57x = 4,986.12 × 2,286.41
  4. Step 4: Simplify right side
    3,611.57x = 11,400,303.20
  5. Step 5: Solve for x
    x = 11,400,303.20/3,611.57
  6. Step 6: Final answer
    x = 3,156.61

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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.