Home / 2,141.12-2,951.52-1,674.56

Finding the Fourth Proportional to 2,141.12, 2,951.52 and 1,674.56

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Solution

The fourth proportional to 2,141.12, 2,951.52 and 1,674.56 is: 2,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.12 : 2,951.52 = 1,674.56 : x
  2. Step 2: Convert to fraction form
    2,141.12/2,951.52 = 1,674.56/x
  3. Step 3: Cross multiply
    2,141.12x = 2,951.52 × 1,674.56
  4. Step 4: Simplify right side
    2,141.12x = 4,942,497.33
  5. Step 5: Solve for x
    x = 4,942,497.33/2,141.12
  6. Step 6: Final answer
    x = 2,308.37

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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.