Home / 4,103.45-5,661.36-2,310.65

Finding the Fourth Proportional to 4,103.45, 5,661.36 and 2,310.65

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Solution

The fourth proportional to 4,103.45, 5,661.36 and 2,310.65 is: 3,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.45 : 5,661.36 = 2,310.65 : x
  2. Step 2: Convert to fraction form
    4,103.45/5,661.36 = 2,310.65/x
  3. Step 3: Cross multiply
    4,103.45x = 5,661.36 × 2,310.65
  4. Step 4: Simplify right side
    4,103.45x = 13,081,393.18
  5. Step 5: Solve for x
    x = 13,081,393.18/4,103.45
  6. Step 6: Final answer
    x = 3,187.91

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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.