Home / 7,445.22-11,168.80-3,935.37

Finding the Fourth Proportional to 7,445.22, 11,168.80 and 3,935.37

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Solution

The fourth proportional to 7,445.22, 11,168.80 and 3,935.37 is: 5,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.22 : 11,168.80 = 3,935.37 : x
  2. Step 2: Convert to fraction form
    7,445.22/11,168.80 = 3,935.37/x
  3. Step 3: Cross multiply
    7,445.22x = 11,168.80 × 3,935.37
  4. Step 4: Simplify right side
    7,445.22x = 43,953,284.94
  5. Step 5: Solve for x
    x = 43,953,284.94/7,445.22
  6. Step 6: Final answer
    x = 5,903.56

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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.