Home / 3,791.18-5,686.82-1,601.45

Finding the Fourth Proportional to 3,791.18, 5,686.82 and 1,601.45

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Solution

The fourth proportional to 3,791.18, 5,686.82 and 1,601.45 is: 2,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.18 : 5,686.82 = 1,601.45 : x
  2. Step 2: Convert to fraction form
    3,791.18/5,686.82 = 1,601.45/x
  3. Step 3: Cross multiply
    3,791.18x = 5,686.82 × 1,601.45
  4. Step 4: Simplify right side
    3,791.18x = 9,107,157.79
  5. Step 5: Solve for x
    x = 9,107,157.79/3,791.18
  6. Step 6: Final answer
    x = 2,402.19

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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.