Home / 5,629.14-7,764.18-3,950.92

Finding the Fourth Proportional to 5,629.14, 7,764.18 and 3,950.92

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Solution

The fourth proportional to 5,629.14, 7,764.18 and 3,950.92 is: 5,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.14 : 7,764.18 = 3,950.92 : x
  2. Step 2: Convert to fraction form
    5,629.14/7,764.18 = 3,950.92/x
  3. Step 3: Cross multiply
    5,629.14x = 7,764.18 × 3,950.92
  4. Step 4: Simplify right side
    5,629.14x = 30,675,656.60
  5. Step 5: Solve for x
    x = 30,675,656.60/5,629.14
  6. Step 6: Final answer
    x = 5,449.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.