Home / 5,327.21-7,990.88-2,040.50

Finding the Fourth Proportional to 5,327.21, 7,990.88 and 2,040.50

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Solution

The fourth proportional to 5,327.21, 7,990.88 and 2,040.50 is: 3,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.21 : 7,990.88 = 2,040.50 : x
  2. Step 2: Convert to fraction form
    5,327.21/7,990.88 = 2,040.50/x
  3. Step 3: Cross multiply
    5,327.21x = 7,990.88 × 2,040.50
  4. Step 4: Simplify right side
    5,327.21x = 16,305,340.48
  5. Step 5: Solve for x
    x = 16,305,340.48/5,327.21
  6. Step 6: Final answer
    x = 3,060.77

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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.