Home / 4,790.12-7,182.21-2,015.37

Finding the Fourth Proportional to 4,790.12, 7,182.21 and 2,015.37

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Solution

The fourth proportional to 4,790.12, 7,182.21 and 2,015.37 is: 3,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.12 : 7,182.21 = 2,015.37 : x
  2. Step 2: Convert to fraction form
    4,790.12/7,182.21 = 2,015.37/x
  3. Step 3: Cross multiply
    4,790.12x = 7,182.21 × 2,015.37
  4. Step 4: Simplify right side
    4,790.12x = 14,474,810.57
  5. Step 5: Solve for x
    x = 14,474,810.57/4,790.12
  6. Step 6: Final answer
    x = 3,021.81

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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.