Home / 7,172.29-10,764.91-3,015.37

Finding the Fourth Proportional to 7,172.29, 10,764.91 and 3,015.37

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Solution

The fourth proportional to 7,172.29, 10,764.91 and 3,015.37 is: 4,525.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.29 : 10,764.91 = 3,015.37 : x
  2. Step 2: Convert to fraction form
    7,172.29/10,764.91 = 3,015.37/x
  3. Step 3: Cross multiply
    7,172.29x = 10,764.91 × 3,015.37
  4. Step 4: Simplify right side
    7,172.29x = 32,460,186.67
  5. Step 5: Solve for x
    x = 32,460,186.67/7,172.29
  6. Step 6: Final answer
    x = 4,525.78

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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.