Home / 5,518.26-8,272.72-2,395.91

Finding the Fourth Proportional to 5,518.26, 8,272.72 and 2,395.91

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Solution

The fourth proportional to 5,518.26, 8,272.72 and 2,395.91 is: 3,591.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.26 : 8,272.72 = 2,395.91 : x
  2. Step 2: Convert to fraction form
    5,518.26/8,272.72 = 2,395.91/x
  3. Step 3: Cross multiply
    5,518.26x = 8,272.72 × 2,395.91
  4. Step 4: Simplify right side
    5,518.26x = 19,820,702.77
  5. Step 5: Solve for x
    x = 19,820,702.77/5,518.26
  6. Step 6: Final answer
    x = 3,591.84

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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.