Home / 3,761.03-5,187.65-2,580.05

Finding the Fourth Proportional to 3,761.03, 5,187.65 and 2,580.05

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Solution

The fourth proportional to 3,761.03, 5,187.65 and 2,580.05 is: 3,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.03 : 5,187.65 = 2,580.05 : x
  2. Step 2: Convert to fraction form
    3,761.03/5,187.65 = 2,580.05/x
  3. Step 3: Cross multiply
    3,761.03x = 5,187.65 × 2,580.05
  4. Step 4: Simplify right side
    3,761.03x = 13,384,357.54
  5. Step 5: Solve for x
    x = 13,384,357.54/3,761.03
  6. Step 6: Final answer
    x = 3,558.70

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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.