Home / 7,862.91-11,794.36-2,019.52

Finding the Fourth Proportional to 7,862.91, 11,794.36 and 2,019.52

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Solution

The fourth proportional to 7,862.91, 11,794.36 and 2,019.52 is: 3,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.91 : 11,794.36 = 2,019.52 : x
  2. Step 2: Convert to fraction form
    7,862.91/11,794.36 = 2,019.52/x
  3. Step 3: Cross multiply
    7,862.91x = 11,794.36 × 2,019.52
  4. Step 4: Simplify right side
    7,862.91x = 23,818,945.91
  5. Step 5: Solve for x
    x = 23,818,945.91/7,862.91
  6. Step 6: Final answer
    x = 3,029.28

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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.