Home / 2,299.94-3,131.46-2,292.66

Finding the Fourth Proportional to 2,299.94, 3,131.46 and 2,292.66

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Solution

The fourth proportional to 2,299.94, 3,131.46 and 2,292.66 is: 3,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.94 : 3,131.46 = 2,292.66 : x
  2. Step 2: Convert to fraction form
    2,299.94/3,131.46 = 2,292.66/x
  3. Step 3: Cross multiply
    2,299.94x = 3,131.46 × 2,292.66
  4. Step 4: Simplify right side
    2,299.94x = 7,179,373.08
  5. Step 5: Solve for x
    x = 7,179,373.08/2,299.94
  6. Step 6: Final answer
    x = 3,121.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.