Home / 3,617.22-4,989.78-2,356.68

Finding the Fourth Proportional to 3,617.22, 4,989.78 and 2,356.68

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Solution

The fourth proportional to 3,617.22, 4,989.78 and 2,356.68 is: 3,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.22 : 4,989.78 = 2,356.68 : x
  2. Step 2: Convert to fraction form
    3,617.22/4,989.78 = 2,356.68/x
  3. Step 3: Cross multiply
    3,617.22x = 4,989.78 × 2,356.68
  4. Step 4: Simplify right side
    3,617.22x = 11,759,314.73
  5. Step 5: Solve for x
    x = 11,759,314.73/3,617.22
  6. Step 6: Final answer
    x = 3,250.93

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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.