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Finding the Fourth Proportional to 3,950.27, 5,923.42 and 1,316.84

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Solution

The fourth proportional to 3,950.27, 5,923.42 and 1,316.84 is: 1,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.27 : 5,923.42 = 1,316.84 : x
  2. Step 2: Convert to fraction form
    3,950.27/5,923.42 = 1,316.84/x
  3. Step 3: Cross multiply
    3,950.27x = 5,923.42 × 1,316.84
  4. Step 4: Simplify right side
    3,950.27x = 7,800,189.81
  5. Step 5: Solve for x
    x = 7,800,189.81/3,950.27
  6. Step 6: Final answer
    x = 1,974.60

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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.