Home / 2,774.82-4,162.26-926.04

Finding the Fourth Proportional to 2,774.82, 4,162.26 and 926.04

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Solution

The fourth proportional to 2,774.82, 4,162.26 and 926.04 is: 1,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.82 : 4,162.26 = 926.04 : x
  2. Step 2: Convert to fraction form
    2,774.82/4,162.26 = 926.04/x
  3. Step 3: Cross multiply
    2,774.82x = 4,162.26 × 926.04
  4. Step 4: Simplify right side
    2,774.82x = 3,854,419.25
  5. Step 5: Solve for x
    x = 3,854,419.25/2,774.82
  6. Step 6: Final answer
    x = 1,389.07

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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.