Home / 3,960.37-5,465.16-2,192.00

Finding the Fourth Proportional to 3,960.37, 5,465.16 and 2,192.00

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Solution

The fourth proportional to 3,960.37, 5,465.16 and 2,192.00 is: 3,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.37 : 5,465.16 = 2,192.00 : x
  2. Step 2: Convert to fraction form
    3,960.37/5,465.16 = 2,192.00/x
  3. Step 3: Cross multiply
    3,960.37x = 5,465.16 × 2,192.00
  4. Step 4: Simplify right side
    3,960.37x = 11,979,644.38
  5. Step 5: Solve for x
    x = 11,979,644.38/3,960.37
  6. Step 6: Final answer
    x = 3,024.88

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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.