Home / 5,154.19-7,112.75-2,796.28

Finding the Fourth Proportional to 5,154.19, 7,112.75 and 2,796.28

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Solution

The fourth proportional to 5,154.19, 7,112.75 and 2,796.28 is: 3,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.19 : 7,112.75 = 2,796.28 : x
  2. Step 2: Convert to fraction form
    5,154.19/7,112.75 = 2,796.28/x
  3. Step 3: Cross multiply
    5,154.19x = 7,112.75 × 2,796.28
  4. Step 4: Simplify right side
    5,154.19x = 19,889,240.57
  5. Step 5: Solve for x
    x = 19,889,240.57/5,154.19
  6. Step 6: Final answer
    x = 3,858.85

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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.