Home / 2,016.75-3,026.45-718.19

Finding the Fourth Proportional to 2,016.75, 3,026.45 and 718.19

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Solution

The fourth proportional to 2,016.75, 3,026.45 and 718.19 is: 1,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.75 : 3,026.45 = 718.19 : x
  2. Step 2: Convert to fraction form
    2,016.75/3,026.45 = 718.19/x
  3. Step 3: Cross multiply
    2,016.75x = 3,026.45 × 718.19
  4. Step 4: Simplify right side
    2,016.75x = 2,173,566.13
  5. Step 5: Solve for x
    x = 2,173,566.13/2,016.75
  6. Step 6: Final answer
    x = 1,077.76

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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.