Home / 4,142.75-5,717.15-2,374.68

Finding the Fourth Proportional to 4,142.75, 5,717.15 and 2,374.68

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Solution

The fourth proportional to 4,142.75, 5,717.15 and 2,374.68 is: 3,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.75 : 5,717.15 = 2,374.68 : x
  2. Step 2: Convert to fraction form
    4,142.75/5,717.15 = 2,374.68/x
  3. Step 3: Cross multiply
    4,142.75x = 5,717.15 × 2,374.68
  4. Step 4: Simplify right side
    4,142.75x = 13,576,420.23
  5. Step 5: Solve for x
    x = 13,576,420.23/4,142.75
  6. Step 6: Final answer
    x = 3,277.16

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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.