Home / 1,687.14-2,532.50-1,493.37

Finding the Fourth Proportional to 1,687.14, 2,532.50 and 1,493.37

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Solution

The fourth proportional to 1,687.14, 2,532.50 and 1,493.37 is: 2,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687.14 : 2,532.50 = 1,493.37 : x
  2. Step 2: Convert to fraction form
    1,687.14/2,532.50 = 1,493.37/x
  3. Step 3: Cross multiply
    1,687.14x = 2,532.50 × 1,493.37
  4. Step 4: Simplify right side
    1,687.14x = 3,781,939.40
  5. Step 5: Solve for x
    x = 3,781,939.40/1,687.14
  6. Step 6: Final answer
    x = 2,241.63

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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.