Home / 2,674.56-4,011.36-942.88

Finding the Fourth Proportional to 2,674.56, 4,011.36 and 942.88

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Solution

The fourth proportional to 2,674.56, 4,011.36 and 942.88 is: 1,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.56 : 4,011.36 = 942.88 : x
  2. Step 2: Convert to fraction form
    2,674.56/4,011.36 = 942.88/x
  3. Step 3: Cross multiply
    2,674.56x = 4,011.36 × 942.88
  4. Step 4: Simplify right side
    2,674.56x = 3,782,231.12
  5. Step 5: Solve for x
    x = 3,782,231.12/2,674.56
  6. Step 6: Final answer
    x = 1,414.15

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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.