Home / 3,193.15-4,406.79-1,849

Finding the Fourth Proportional to 3,193.15, 4,406.79 and 1,849

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Solution

The fourth proportional to 3,193.15, 4,406.79 and 1,849 is: 2,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.15 : 4,406.79 = 1,849 : x
  2. Step 2: Convert to fraction form
    3,193.15/4,406.79 = 1,849/x
  3. Step 3: Cross multiply
    3,193.15x = 4,406.79 × 1,849
  4. Step 4: Simplify right side
    3,193.15x = 8,148,154.71
  5. Step 5: Solve for x
    x = 8,148,154.71/3,193.15
  6. Step 6: Final answer
    x = 2,551.76

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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.