Home / 5,173.90-7,761.87-2,055.37

Finding the Fourth Proportional to 5,173.90, 7,761.87 and 2,055.37

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Solution

The fourth proportional to 5,173.90, 7,761.87 and 2,055.37 is: 3,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.90 : 7,761.87 = 2,055.37 : x
  2. Step 2: Convert to fraction form
    5,173.90/7,761.87 = 2,055.37/x
  3. Step 3: Cross multiply
    5,173.90x = 7,761.87 × 2,055.37
  4. Step 4: Simplify right side
    5,173.90x = 15,953,504.47
  5. Step 5: Solve for x
    x = 15,953,504.47/5,173.90
  6. Step 6: Final answer
    x = 3,083.46

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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.