Home / 1,919.97-2,646.81-1,584.14

Finding the Fourth Proportional to 1,919.97, 2,646.81 and 1,584.14

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Solution

The fourth proportional to 1,919.97, 2,646.81 and 1,584.14 is: 2,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.97 : 2,646.81 = 1,584.14 : x
  2. Step 2: Convert to fraction form
    1,919.97/2,646.81 = 1,584.14/x
  3. Step 3: Cross multiply
    1,919.97x = 2,646.81 × 1,584.14
  4. Step 4: Simplify right side
    1,919.97x = 4,192,904.36
  5. Step 5: Solve for x
    x = 4,192,904.36/1,919.97
  6. Step 6: Final answer
    x = 2,183.84

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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.