Home / 5,303.20-7,951.77-2,185.36

Finding the Fourth Proportional to 5,303.20, 7,951.77 and 2,185.36

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Solution

The fourth proportional to 5,303.20, 7,951.77 and 2,185.36 is: 3,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.20 : 7,951.77 = 2,185.36 : x
  2. Step 2: Convert to fraction form
    5,303.20/7,951.77 = 2,185.36/x
  3. Step 3: Cross multiply
    5,303.20x = 7,951.77 × 2,185.36
  4. Step 4: Simplify right side
    5,303.20x = 17,377,469.16
  5. Step 5: Solve for x
    x = 17,377,469.16/5,303.20
  6. Step 6: Final answer
    x = 3,276.79

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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.