Home / 7,261.40-10,896.15-3,100.70

Finding the Fourth Proportional to 7,261.40, 10,896.15 and 3,100.70

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Solution

The fourth proportional to 7,261.40, 10,896.15 and 3,100.70 is: 4,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.40 : 10,896.15 = 3,100.70 : x
  2. Step 2: Convert to fraction form
    7,261.40/10,896.15 = 3,100.70/x
  3. Step 3: Cross multiply
    7,261.40x = 10,896.15 × 3,100.70
  4. Step 4: Simplify right side
    7,261.40x = 33,785,692.31
  5. Step 5: Solve for x
    x = 33,785,692.31/7,261.40
  6. Step 6: Final answer
    x = 4,652.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.