Home / 5,163.12-7,750.44-2,859.12

Finding the Fourth Proportional to 5,163.12, 7,750.44 and 2,859.12

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Solution

The fourth proportional to 5,163.12, 7,750.44 and 2,859.12 is: 4,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.12 : 7,750.44 = 2,859.12 : x
  2. Step 2: Convert to fraction form
    5,163.12/7,750.44 = 2,859.12/x
  3. Step 3: Cross multiply
    5,163.12x = 7,750.44 × 2,859.12
  4. Step 4: Simplify right side
    5,163.12x = 22,159,438.01
  5. Step 5: Solve for x
    x = 22,159,438.01/5,163.12
  6. Step 6: Final answer
    x = 4,291.87

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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.