Home / 4,106.43-5,661.15-2,845.32

Finding the Fourth Proportional to 4,106.43, 5,661.15 and 2,845.32

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Solution

The fourth proportional to 4,106.43, 5,661.15 and 2,845.32 is: 3,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.43 : 5,661.15 = 2,845.32 : x
  2. Step 2: Convert to fraction form
    4,106.43/5,661.15 = 2,845.32/x
  3. Step 3: Cross multiply
    4,106.43x = 5,661.15 × 2,845.32
  4. Step 4: Simplify right side
    4,106.43x = 16,107,751.42
  5. Step 5: Solve for x
    x = 16,107,751.42/4,106.43
  6. Step 6: Final answer
    x = 3,922.57

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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.