Home / 7,400.25-11,105.82-3,507.39

Finding the Fourth Proportional to 7,400.25, 11,105.82 and 3,507.39

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Solution

The fourth proportional to 7,400.25, 11,105.82 and 3,507.39 is: 5,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.25 : 11,105.82 = 3,507.39 : x
  2. Step 2: Convert to fraction form
    7,400.25/11,105.82 = 3,507.39/x
  3. Step 3: Cross multiply
    7,400.25x = 11,105.82 × 3,507.39
  4. Step 4: Simplify right side
    7,400.25x = 38,952,442.01
  5. Step 5: Solve for x
    x = 38,952,442.01/7,400.25
  6. Step 6: Final answer
    x = 5,263.67

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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.