Home / 7,316.27-10,974.67-3,419.63

Finding the Fourth Proportional to 7,316.27, 10,974.67 and 3,419.63

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Solution

The fourth proportional to 7,316.27, 10,974.67 and 3,419.63 is: 5,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.27 : 10,974.67 = 3,419.63 : x
  2. Step 2: Convert to fraction form
    7,316.27/10,974.67 = 3,419.63/x
  3. Step 3: Cross multiply
    7,316.27x = 10,974.67 × 3,419.63
  4. Step 4: Simplify right side
    7,316.27x = 37,529,247.35
  5. Step 5: Solve for x
    x = 37,529,247.35/7,316.27
  6. Step 6: Final answer
    x = 5,129.56

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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.