Home / 3,845.77-5,768.73-1,505.68

Finding the Fourth Proportional to 3,845.77, 5,768.73 and 1,505.68

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Solution

The fourth proportional to 3,845.77, 5,768.73 and 1,505.68 is: 2,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.77 : 5,768.73 = 1,505.68 : x
  2. Step 2: Convert to fraction form
    3,845.77/5,768.73 = 1,505.68/x
  3. Step 3: Cross multiply
    3,845.77x = 5,768.73 × 1,505.68
  4. Step 4: Simplify right side
    3,845.77x = 8,685,846.96
  5. Step 5: Solve for x
    x = 8,685,846.96/3,845.77
  6. Step 6: Final answer
    x = 2,258.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.