Home / 1,879.06-2,592.39-1,179.22

Finding the Fourth Proportional to 1,879.06, 2,592.39 and 1,179.22

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Solution

The fourth proportional to 1,879.06, 2,592.39 and 1,179.22 is: 1,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.06 : 2,592.39 = 1,179.22 : x
  2. Step 2: Convert to fraction form
    1,879.06/2,592.39 = 1,179.22/x
  3. Step 3: Cross multiply
    1,879.06x = 2,592.39 × 1,179.22
  4. Step 4: Simplify right side
    1,879.06x = 3,056,998.14
  5. Step 5: Solve for x
    x = 3,056,998.14/1,879.06
  6. Step 6: Final answer
    x = 1,626.88

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1.5x scale

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.