Home / 5,859.02-8,784.42-2,160.77

Finding the Fourth Proportional to 5,859.02, 8,784.42 and 2,160.77

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Solution

The fourth proportional to 5,859.02, 8,784.42 and 2,160.77 is: 3,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.02 : 8,784.42 = 2,160.77 : x
  2. Step 2: Convert to fraction form
    5,859.02/8,784.42 = 2,160.77/x
  3. Step 3: Cross multiply
    5,859.02x = 8,784.42 × 2,160.77
  4. Step 4: Simplify right side
    5,859.02x = 18,981,067.28
  5. Step 5: Solve for x
    x = 18,981,067.28/5,859.02
  6. Step 6: Final answer
    x = 3,239.63

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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.