Home / 4,151.58-5,728.92-2,381.94

Finding the Fourth Proportional to 4,151.58, 5,728.92 and 2,381.94

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Solution

The fourth proportional to 4,151.58, 5,728.92 and 2,381.94 is: 3,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.58 : 5,728.92 = 2,381.94 : x
  2. Step 2: Convert to fraction form
    4,151.58/5,728.92 = 2,381.94/x
  3. Step 3: Cross multiply
    4,151.58x = 5,728.92 × 2,381.94
  4. Step 4: Simplify right side
    4,151.58x = 13,645,943.70
  5. Step 5: Solve for x
    x = 13,645,943.70/4,151.58
  6. Step 6: Final answer
    x = 3,286.93

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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.