Home / 2,774.23-4,162.14-926.56

Finding the Fourth Proportional to 2,774.23, 4,162.14 and 926.56

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Solution

The fourth proportional to 2,774.23, 4,162.14 and 926.56 is: 1,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.23 : 4,162.14 = 926.56 : x
  2. Step 2: Convert to fraction form
    2,774.23/4,162.14 = 926.56/x
  3. Step 3: Cross multiply
    2,774.23x = 4,162.14 × 926.56
  4. Step 4: Simplify right side
    2,774.23x = 3,856,472.44
  5. Step 5: Solve for x
    x = 3,856,472.44/2,774.23
  6. Step 6: Final answer
    x = 1,390.11

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1.5x scale

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.