Home / 4,195.20-5,779.37-2,933.90

Finding the Fourth Proportional to 4,195.20, 5,779.37 and 2,933.90

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Solution

The fourth proportional to 4,195.20, 5,779.37 and 2,933.90 is: 4,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.20 : 5,779.37 = 2,933.90 : x
  2. Step 2: Convert to fraction form
    4,195.20/5,779.37 = 2,933.90/x
  3. Step 3: Cross multiply
    4,195.20x = 5,779.37 × 2,933.90
  4. Step 4: Simplify right side
    4,195.20x = 16,956,093.64
  5. Step 5: Solve for x
    x = 16,956,093.64/4,195.20
  6. Step 6: Final answer
    x = 4,041.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.