Home / 4,142.88-5,717.34-2,374.56

Finding the Fourth Proportional to 4,142.88, 5,717.34 and 2,374.56

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Solution

The fourth proportional to 4,142.88, 5,717.34 and 2,374.56 is: 3,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.88 : 5,717.34 = 2,374.56 : x
  2. Step 2: Convert to fraction form
    4,142.88/5,717.34 = 2,374.56/x
  3. Step 3: Cross multiply
    4,142.88x = 5,717.34 × 2,374.56
  4. Step 4: Simplify right side
    4,142.88x = 13,576,166.87
  5. Step 5: Solve for x
    x = 13,576,166.87/4,142.88
  6. Step 6: Final answer
    x = 3,276.99

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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.