Home / 3,912.21-5,399.10-2,583.59

Finding the Fourth Proportional to 3,912.21, 5,399.10 and 2,583.59

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Solution

The fourth proportional to 3,912.21, 5,399.10 and 2,583.59 is: 3,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.21 : 5,399.10 = 2,583.59 : x
  2. Step 2: Convert to fraction form
    3,912.21/5,399.10 = 2,583.59/x
  3. Step 3: Cross multiply
    3,912.21x = 5,399.10 × 2,583.59
  4. Step 4: Simplify right side
    3,912.21x = 13,949,033.77
  5. Step 5: Solve for x
    x = 13,949,033.77/3,912.21
  6. Step 6: Final answer
    x = 3,565.51

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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.