Home / 4,945.14-7,419.60-2,025.90

Finding the Fourth Proportional to 4,945.14, 7,419.60 and 2,025.90

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Solution

The fourth proportional to 4,945.14, 7,419.60 and 2,025.90 is: 3,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.14 : 7,419.60 = 2,025.90 : x
  2. Step 2: Convert to fraction form
    4,945.14/7,419.60 = 2,025.90/x
  3. Step 3: Cross multiply
    4,945.14x = 7,419.60 × 2,025.90
  4. Step 4: Simplify right side
    4,945.14x = 15,031,367.64
  5. Step 5: Solve for x
    x = 15,031,367.64/4,945.14
  6. Step 6: Final answer
    x = 3,039.62

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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.