Home / 5,616.16-8,421.80-2,983.09

Finding the Fourth Proportional to 5,616.16, 8,421.80 and 2,983.09

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Solution

The fourth proportional to 5,616.16, 8,421.80 and 2,983.09 is: 4,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.16 : 8,421.80 = 2,983.09 : x
  2. Step 2: Convert to fraction form
    5,616.16/8,421.80 = 2,983.09/x
  3. Step 3: Cross multiply
    5,616.16x = 8,421.80 × 2,983.09
  4. Step 4: Simplify right side
    5,616.16x = 25,122,958.85
  5. Step 5: Solve for x
    x = 25,122,958.85/5,616.16
  6. Step 6: Final answer
    x = 4,473.33

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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.