Home / 3,926.47-5,890.57-2,174.03

Finding the Fourth Proportional to 3,926.47, 5,890.57 and 2,174.03

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Solution

The fourth proportional to 3,926.47, 5,890.57 and 2,174.03 is: 3,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.47 : 5,890.57 = 2,174.03 : x
  2. Step 2: Convert to fraction form
    3,926.47/5,890.57 = 2,174.03/x
  3. Step 3: Cross multiply
    3,926.47x = 5,890.57 × 2,174.03
  4. Step 4: Simplify right side
    3,926.47x = 12,806,275.90
  5. Step 5: Solve for x
    x = 12,806,275.90/3,926.47
  6. Step 6: Final answer
    x = 3,261.52

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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.