Home / 5,923.89-8,177.62-3,908.49

Finding the Fourth Proportional to 5,923.89, 8,177.62 and 3,908.49

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Solution

The fourth proportional to 5,923.89, 8,177.62 and 3,908.49 is: 5,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923.89 : 8,177.62 = 3,908.49 : x
  2. Step 2: Convert to fraction form
    5,923.89/8,177.62 = 3,908.49/x
  3. Step 3: Cross multiply
    5,923.89x = 8,177.62 × 3,908.49
  4. Step 4: Simplify right side
    5,923.89x = 31,962,145.99
  5. Step 5: Solve for x
    x = 31,962,145.99/5,923.89
  6. Step 6: Final answer
    x = 5,395.47

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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.