Home / 4,192.70-5,785.96-2,399.97

Finding the Fourth Proportional to 4,192.70, 5,785.96 and 2,399.97

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Solution

The fourth proportional to 4,192.70, 5,785.96 and 2,399.97 is: 3,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.70 : 5,785.96 = 2,399.97 : x
  2. Step 2: Convert to fraction form
    4,192.70/5,785.96 = 2,399.97/x
  3. Step 3: Cross multiply
    4,192.70x = 5,785.96 × 2,399.97
  4. Step 4: Simplify right side
    4,192.70x = 13,886,124.42
  5. Step 5: Solve for x
    x = 13,886,124.42/4,192.70
  6. Step 6: Final answer
    x = 3,311.97

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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.