Home / 3,993.96-5,986.83-1,528.11

Finding the Fourth Proportional to 3,993.96, 5,986.83 and 1,528.11

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Solution

The fourth proportional to 3,993.96, 5,986.83 and 1,528.11 is: 2,290.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.96 : 5,986.83 = 1,528.11 : x
  2. Step 2: Convert to fraction form
    3,993.96/5,986.83 = 1,528.11/x
  3. Step 3: Cross multiply
    3,993.96x = 5,986.83 × 1,528.11
  4. Step 4: Simplify right side
    3,993.96x = 9,148,534.79
  5. Step 5: Solve for x
    x = 9,148,534.79/3,993.96
  6. Step 6: Final answer
    x = 2,290.59

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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.