Home / 4,146.36-5,721.87-2,257.89

Finding the Fourth Proportional to 4,146.36, 5,721.87 and 2,257.89

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Solution

The fourth proportional to 4,146.36, 5,721.87 and 2,257.89 is: 3,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.36 : 5,721.87 = 2,257.89 : x
  2. Step 2: Convert to fraction form
    4,146.36/5,721.87 = 2,257.89/x
  3. Step 3: Cross multiply
    4,146.36x = 5,721.87 × 2,257.89
  4. Step 4: Simplify right side
    4,146.36x = 12,919,340.06
  5. Step 5: Solve for x
    x = 12,919,340.06/4,146.36
  6. Step 6: Final answer
    x = 3,115.83

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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.