Home / 3,926.31-5,415.73-2,510.43

Finding the Fourth Proportional to 3,926.31, 5,415.73 and 2,510.43

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Solution

The fourth proportional to 3,926.31, 5,415.73 and 2,510.43 is: 3,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.31 : 5,415.73 = 2,510.43 : x
  2. Step 2: Convert to fraction form
    3,926.31/5,415.73 = 2,510.43/x
  3. Step 3: Cross multiply
    3,926.31x = 5,415.73 × 2,510.43
  4. Step 4: Simplify right side
    3,926.31x = 13,595,811.06
  5. Step 5: Solve for x
    x = 13,595,811.06/3,926.31
  6. Step 6: Final answer
    x = 3,462.75

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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.