Home / 2,027.16-2,799.66-1,999.80

Finding the Fourth Proportional to 2,027.16, 2,799.66 and 1,999.80

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Solution

The fourth proportional to 2,027.16, 2,799.66 and 1,999.80 is: 2,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.16 : 2,799.66 = 1,999.80 : x
  2. Step 2: Convert to fraction form
    2,027.16/2,799.66 = 1,999.80/x
  3. Step 3: Cross multiply
    2,027.16x = 2,799.66 × 1,999.80
  4. Step 4: Simplify right side
    2,027.16x = 5,598,760.07
  5. Step 5: Solve for x
    x = 5,598,760.07/2,027.16
  6. Step 6: Final answer
    x = 2,761.87

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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.