Home / 6,791.17-9,371.85-3,960.51

Finding the Fourth Proportional to 6,791.17, 9,371.85 and 3,960.51

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Solution

The fourth proportional to 6,791.17, 9,371.85 and 3,960.51 is: 5,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.17 : 9,371.85 = 3,960.51 : x
  2. Step 2: Convert to fraction form
    6,791.17/9,371.85 = 3,960.51/x
  3. Step 3: Cross multiply
    6,791.17x = 9,371.85 × 3,960.51
  4. Step 4: Simplify right side
    6,791.17x = 37,117,305.64
  5. Step 5: Solve for x
    x = 37,117,305.64/6,791.17
  6. Step 6: Final answer
    x = 5,465.52

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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.