Home / 3,846.22-5,307.78-2,252.58

Finding the Fourth Proportional to 3,846.22, 5,307.78 and 2,252.58

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Solution

The fourth proportional to 3,846.22, 5,307.78 and 2,252.58 is: 3,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.22 : 5,307.78 = 2,252.58 : x
  2. Step 2: Convert to fraction form
    3,846.22/5,307.78 = 2,252.58/x
  3. Step 3: Cross multiply
    3,846.22x = 5,307.78 × 2,252.58
  4. Step 4: Simplify right side
    3,846.22x = 11,956,187.62
  5. Step 5: Solve for x
    x = 11,956,187.62/3,846.22
  6. Step 6: Final answer
    x = 3,108.56

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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.