Home / 2,176.14-3,003.33-1,219.14

Finding the Fourth Proportional to 2,176.14, 3,003.33 and 1,219.14

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Solution

The fourth proportional to 2,176.14, 3,003.33 and 1,219.14 is: 1,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.14 : 3,003.33 = 1,219.14 : x
  2. Step 2: Convert to fraction form
    2,176.14/3,003.33 = 1,219.14/x
  3. Step 3: Cross multiply
    2,176.14x = 3,003.33 × 1,219.14
  4. Step 4: Simplify right side
    2,176.14x = 3,661,479.74
  5. Step 5: Solve for x
    x = 3,661,479.74/2,176.14
  6. Step 6: Final answer
    x = 1,682.56

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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.