Home / 6,921.52-9,551.22-3,937.38

Finding the Fourth Proportional to 6,921.52, 9,551.22 and 3,937.38

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Solution

The fourth proportional to 6,921.52, 9,551.22 and 3,937.38 is: 5,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.52 : 9,551.22 = 3,937.38 : x
  2. Step 2: Convert to fraction form
    6,921.52/9,551.22 = 3,937.38/x
  3. Step 3: Cross multiply
    6,921.52x = 9,551.22 × 3,937.38
  4. Step 4: Simplify right side
    6,921.52x = 37,606,732.02
  5. Step 5: Solve for x
    x = 37,606,732.02/6,921.52
  6. Step 6: Final answer
    x = 5,433.31

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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.