Home / 5,864.24-8,784.12-3,516.80

Finding the Fourth Proportional to 5,864.24, 8,784.12 and 3,516.80

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Solution

The fourth proportional to 5,864.24, 8,784.12 and 3,516.80 is: 5,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,864.24 : 8,784.12 = 3,516.80 : x
  2. Step 2: Convert to fraction form
    5,864.24/8,784.12 = 3,516.80/x
  3. Step 3: Cross multiply
    5,864.24x = 8,784.12 × 3,516.80
  4. Step 4: Simplify right side
    5,864.24x = 30,891,993.22
  5. Step 5: Solve for x
    x = 30,891,993.22/5,864.24
  6. Step 6: Final answer
    x = 5,267.86

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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.