Home / 3,887.94-5,364.82-2,294.65

Finding the Fourth Proportional to 3,887.94, 5,364.82 and 2,294.65

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Solution

The fourth proportional to 3,887.94, 5,364.82 and 2,294.65 is: 3,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.94 : 5,364.82 = 2,294.65 : x
  2. Step 2: Convert to fraction form
    3,887.94/5,364.82 = 2,294.65/x
  3. Step 3: Cross multiply
    3,887.94x = 5,364.82 × 2,294.65
  4. Step 4: Simplify right side
    3,887.94x = 12,310,395.97
  5. Step 5: Solve for x
    x = 12,310,395.97/3,887.94
  6. Step 6: Final answer
    x = 3,166.30

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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.