Home / 4,048.61-5,589.54-2,791.89

Finding the Fourth Proportional to 4,048.61, 5,589.54 and 2,791.89

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Solution

The fourth proportional to 4,048.61, 5,589.54 and 2,791.89 is: 3,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.61 : 5,589.54 = 2,791.89 : x
  2. Step 2: Convert to fraction form
    4,048.61/5,589.54 = 2,791.89/x
  3. Step 3: Cross multiply
    4,048.61x = 5,589.54 × 2,791.89
  4. Step 4: Simplify right side
    4,048.61x = 15,605,380.83
  5. Step 5: Solve for x
    x = 15,605,380.83/4,048.61
  6. Step 6: Final answer
    x = 3,854.51

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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.