Home / 5,321.05-7,343.19-3,195.86

Finding the Fourth Proportional to 5,321.05, 7,343.19 and 3,195.86

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Solution

The fourth proportional to 5,321.05, 7,343.19 and 3,195.86 is: 4,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.05 : 7,343.19 = 3,195.86 : x
  2. Step 2: Convert to fraction form
    5,321.05/7,343.19 = 3,195.86/x
  3. Step 3: Cross multiply
    5,321.05x = 7,343.19 × 3,195.86
  4. Step 4: Simplify right side
    5,321.05x = 23,467,807.19
  5. Step 5: Solve for x
    x = 23,467,807.19/5,321.05
  6. Step 6: Final answer
    x = 4,410.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.