Home / 5,622.44-8,434.07-2,159.69

Finding the Fourth Proportional to 5,622.44, 8,434.07 and 2,159.69

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Solution

The fourth proportional to 5,622.44, 8,434.07 and 2,159.69 is: 3,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.44 : 8,434.07 = 2,159.69 : x
  2. Step 2: Convert to fraction form
    5,622.44/8,434.07 = 2,159.69/x
  3. Step 3: Cross multiply
    5,622.44x = 8,434.07 × 2,159.69
  4. Step 4: Simplify right side
    5,622.44x = 18,214,976.64
  5. Step 5: Solve for x
    x = 18,214,976.64/5,622.44
  6. Step 6: Final answer
    x = 3,239.69

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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.