Home / 5,816.77-8,725.19-2,119.00

Finding the Fourth Proportional to 5,816.77, 8,725.19 and 2,119.00

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Solution

The fourth proportional to 5,816.77, 8,725.19 and 2,119.00 is: 3,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.77 : 8,725.19 = 2,119.00 : x
  2. Step 2: Convert to fraction form
    5,816.77/8,725.19 = 2,119.00/x
  3. Step 3: Cross multiply
    5,816.77x = 8,725.19 × 2,119.00
  4. Step 4: Simplify right side
    5,816.77x = 18,488,708.98
  5. Step 5: Solve for x
    x = 18,488,708.98/5,816.77
  6. Step 6: Final answer
    x = 3,178.52

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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.