Home / 5,015.30-7,524.15-2,091.98

Finding the Fourth Proportional to 5,015.30, 7,524.15 and 2,091.98

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Solution

The fourth proportional to 5,015.30, 7,524.15 and 2,091.98 is: 3,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.30 : 7,524.15 = 2,091.98 : x
  2. Step 2: Convert to fraction form
    5,015.30/7,524.15 = 2,091.98/x
  3. Step 3: Cross multiply
    5,015.30x = 7,524.15 × 2,091.98
  4. Step 4: Simplify right side
    5,015.30x = 15,740,371.32
  5. Step 5: Solve for x
    x = 15,740,371.32/5,015.30
  6. Step 6: Final answer
    x = 3,138.47

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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.