Home / 7,864.91-11,797.36-2,021.52

Finding the Fourth Proportional to 7,864.91, 11,797.36 and 2,021.52

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Solution

The fourth proportional to 7,864.91, 11,797.36 and 2,021.52 is: 3,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.91 : 11,797.36 = 2,021.52 : x
  2. Step 2: Convert to fraction form
    7,864.91/11,797.36 = 2,021.52/x
  3. Step 3: Cross multiply
    7,864.91x = 11,797.36 × 2,021.52
  4. Step 4: Simplify right side
    7,864.91x = 23,848,594.13
  5. Step 5: Solve for x
    x = 23,848,594.13/7,864.91
  6. Step 6: Final answer
    x = 3,032.28

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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.