Home / 3,937.24-5,433.44-2,168.91

Finding the Fourth Proportional to 3,937.24, 5,433.44 and 2,168.91

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Solution

The fourth proportional to 3,937.24, 5,433.44 and 2,168.91 is: 2,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.24 : 5,433.44 = 2,168.91 : x
  2. Step 2: Convert to fraction form
    3,937.24/5,433.44 = 2,168.91/x
  3. Step 3: Cross multiply
    3,937.24x = 5,433.44 × 2,168.91
  4. Step 4: Simplify right side
    3,937.24x = 11,784,631.51
  5. Step 5: Solve for x
    x = 11,784,631.51/3,937.24
  6. Step 6: Final answer
    x = 2,993.12

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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.