Home / 5,015.82-7,515.48-2,238.32

Finding the Fourth Proportional to 5,015.82, 7,515.48 and 2,238.32

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Solution

The fourth proportional to 5,015.82, 7,515.48 and 2,238.32 is: 3,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.82 : 7,515.48 = 2,238.32 : x
  2. Step 2: Convert to fraction form
    5,015.82/7,515.48 = 2,238.32/x
  3. Step 3: Cross multiply
    5,015.82x = 7,515.48 × 2,238.32
  4. Step 4: Simplify right side
    5,015.82x = 16,822,049.19
  5. Step 5: Solve for x
    x = 16,822,049.19/5,015.82
  6. Step 6: Final answer
    x = 3,353.80

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1.5x scale

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.