Home / 2,918.18-4,026.92-1,659.06

Finding the Fourth Proportional to 2,918.18, 4,026.92 and 1,659.06

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Solution

The fourth proportional to 2,918.18, 4,026.92 and 1,659.06 is: 2,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.18 : 4,026.92 = 1,659.06 : x
  2. Step 2: Convert to fraction form
    2,918.18/4,026.92 = 1,659.06/x
  3. Step 3: Cross multiply
    2,918.18x = 4,026.92 × 1,659.06
  4. Step 4: Simplify right side
    2,918.18x = 6,680,890.94
  5. Step 5: Solve for x
    x = 6,680,890.94/2,918.18
  6. Step 6: Final answer
    x = 2,289.41

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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.