Home / 3,917.02-5,405.66-2,344.81

Finding the Fourth Proportional to 3,917.02, 5,405.66 and 2,344.81

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Solution

The fourth proportional to 3,917.02, 5,405.66 and 2,344.81 is: 3,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.02 : 5,405.66 = 2,344.81 : x
  2. Step 2: Convert to fraction form
    3,917.02/5,405.66 = 2,344.81/x
  3. Step 3: Cross multiply
    3,917.02x = 5,405.66 × 2,344.81
  4. Step 4: Simplify right side
    3,917.02x = 12,675,245.62
  5. Step 5: Solve for x
    x = 12,675,245.62/3,917.02
  6. Step 6: Final answer
    x = 3,235.94

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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.