Home / 7,172.42-10,761.37-4,055.94

Finding the Fourth Proportional to 7,172.42, 10,761.37 and 4,055.94

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Solution

The fourth proportional to 7,172.42, 10,761.37 and 4,055.94 is: 6,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.42 : 10,761.37 = 4,055.94 : x
  2. Step 2: Convert to fraction form
    7,172.42/10,761.37 = 4,055.94/x
  3. Step 3: Cross multiply
    7,172.42x = 10,761.37 × 4,055.94
  4. Step 4: Simplify right side
    7,172.42x = 43,647,460.90
  5. Step 5: Solve for x
    x = 43,647,460.90/7,172.42
  6. Step 6: Final answer
    x = 6,085.46

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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.