Home / 7,327.21-10,112.60-4,141.48

Finding the Fourth Proportional to 7,327.21, 10,112.60 and 4,141.48

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Solution

The fourth proportional to 7,327.21, 10,112.60 and 4,141.48 is: 5,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.21 : 10,112.60 = 4,141.48 : x
  2. Step 2: Convert to fraction form
    7,327.21/10,112.60 = 4,141.48/x
  3. Step 3: Cross multiply
    7,327.21x = 10,112.60 × 4,141.48
  4. Step 4: Simplify right side
    7,327.21x = 41,881,111.39
  5. Step 5: Solve for x
    x = 41,881,111.39/7,327.21
  6. Step 6: Final answer
    x = 5,715.83

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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.