Home / 5,196.37-7,797.63-1,911.77

Finding the Fourth Proportional to 5,196.37, 7,797.63 and 1,911.77

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Solution

The fourth proportional to 5,196.37, 7,797.63 and 1,911.77 is: 2,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.37 : 7,797.63 = 1,911.77 : x
  2. Step 2: Convert to fraction form
    5,196.37/7,797.63 = 1,911.77/x
  3. Step 3: Cross multiply
    5,196.37x = 7,797.63 × 1,911.77
  4. Step 4: Simplify right side
    5,196.37x = 14,907,226.56
  5. Step 5: Solve for x
    x = 14,907,226.56/5,196.37
  6. Step 6: Final answer
    x = 2,868.78

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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.