Home / 2,672.22-3,678.61-2,297.01

Finding the Fourth Proportional to 2,672.22, 3,678.61 and 2,297.01

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Solution

The fourth proportional to 2,672.22, 3,678.61 and 2,297.01 is: 3,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.22 : 3,678.61 = 2,297.01 : x
  2. Step 2: Convert to fraction form
    2,672.22/3,678.61 = 2,297.01/x
  3. Step 3: Cross multiply
    2,672.22x = 3,678.61 × 2,297.01
  4. Step 4: Simplify right side
    2,672.22x = 8,449,803.96
  5. Step 5: Solve for x
    x = 8,449,803.96/2,672.22
  6. Step 6: Final answer
    x = 3,162.09

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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.