Home / 2,619.16-3,921.78-1,799.04

Finding the Fourth Proportional to 2,619.16, 3,921.78 and 1,799.04

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Solution

The fourth proportional to 2,619.16, 3,921.78 and 1,799.04 is: 2,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.16 : 3,921.78 = 1,799.04 : x
  2. Step 2: Convert to fraction form
    2,619.16/3,921.78 = 1,799.04/x
  3. Step 3: Cross multiply
    2,619.16x = 3,921.78 × 1,799.04
  4. Step 4: Simplify right side
    2,619.16x = 7,055,439.09
  5. Step 5: Solve for x
    x = 7,055,439.09/2,619.16
  6. Step 6: Final answer
    x = 2,693.78

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1.5x scale

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.