Home / 5,057.60-7,581.20-1,936.76

Finding the Fourth Proportional to 5,057.60, 7,581.20 and 1,936.76

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Solution

The fourth proportional to 5,057.60, 7,581.20 and 1,936.76 is: 2,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.60 : 7,581.20 = 1,936.76 : x
  2. Step 2: Convert to fraction form
    5,057.60/7,581.20 = 1,936.76/x
  3. Step 3: Cross multiply
    5,057.60x = 7,581.20 × 1,936.76
  4. Step 4: Simplify right side
    5,057.60x = 14,682,917.32
  5. Step 5: Solve for x
    x = 14,682,917.32/5,057.60
  6. Step 6: Final answer
    x = 2,903.14

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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.