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Finding the Fourth Proportional to 5,367.24, 7,407 and 3,130.56

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Solution

The fourth proportional to 5,367.24, 7,407 and 3,130.56 is: 4,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.24 : 7,407 = 3,130.56 : x
  2. Step 2: Convert to fraction form
    5,367.24/7,407 = 3,130.56/x
  3. Step 3: Cross multiply
    5,367.24x = 7,407 × 3,130.56
  4. Step 4: Simplify right side
    5,367.24x = 23,188,057.92
  5. Step 5: Solve for x
    x = 23,188,057.92/5,367.24
  6. Step 6: Final answer
    x = 4,320.29

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