Home / 5,771.03-7,963.79-3,381.21

Finding the Fourth Proportional to 5,771.03, 7,963.79 and 3,381.21

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Solution

The fourth proportional to 5,771.03, 7,963.79 and 3,381.21 is: 4,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.03 : 7,963.79 = 3,381.21 : x
  2. Step 2: Convert to fraction form
    5,771.03/7,963.79 = 3,381.21/x
  3. Step 3: Cross multiply
    5,771.03x = 7,963.79 × 3,381.21
  4. Step 4: Simplify right side
    5,771.03x = 26,927,229.48
  5. Step 5: Solve for x
    x = 26,927,229.48/5,771.03
  6. Step 6: Final answer
    x = 4,665.94

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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.