Home / 2,744.38-4,113.62-1,185.12

Finding the Fourth Proportional to 2,744.38, 4,113.62 and 1,185.12

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Solution

The fourth proportional to 2,744.38, 4,113.62 and 1,185.12 is: 1,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.38 : 4,113.62 = 1,185.12 : x
  2. Step 2: Convert to fraction form
    2,744.38/4,113.62 = 1,185.12/x
  3. Step 3: Cross multiply
    2,744.38x = 4,113.62 × 1,185.12
  4. Step 4: Simplify right side
    2,744.38x = 4,875,106.84
  5. Step 5: Solve for x
    x = 4,875,106.84/2,744.38
  6. Step 6: Final answer
    x = 1,776.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.