Home / 4,192.12-5,785.09-2,277.92

Finding the Fourth Proportional to 4,192.12, 5,785.09 and 2,277.92

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Solution

The fourth proportional to 4,192.12, 5,785.09 and 2,277.92 is: 3,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.12 : 5,785.09 = 2,277.92 : x
  2. Step 2: Convert to fraction form
    4,192.12/5,785.09 = 2,277.92/x
  3. Step 3: Cross multiply
    4,192.12x = 5,785.09 × 2,277.92
  4. Step 4: Simplify right side
    4,192.12x = 13,177,980.98
  5. Step 5: Solve for x
    x = 13,177,980.98/4,192.12
  6. Step 6: Final answer
    x = 3,143.51

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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.