Home / 5,872.47-8,791.77-3,900.06

Finding the Fourth Proportional to 5,872.47, 8,791.77 and 3,900.06

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Solution

The fourth proportional to 5,872.47, 8,791.77 and 3,900.06 is: 5,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.47 : 8,791.77 = 3,900.06 : x
  2. Step 2: Convert to fraction form
    5,872.47/8,791.77 = 3,900.06/x
  3. Step 3: Cross multiply
    5,872.47x = 8,791.77 × 3,900.06
  4. Step 4: Simplify right side
    5,872.47x = 34,288,452.49
  5. Step 5: Solve for x
    x = 34,288,452.49/5,872.47
  6. Step 6: Final answer
    x = 5,838.85

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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.