Home / 5,361.24-8,040.78-1,662.57

Finding the Fourth Proportional to 5,361.24, 8,040.78 and 1,662.57

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Solution

The fourth proportional to 5,361.24, 8,040.78 and 1,662.57 is: 2,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.24 : 8,040.78 = 1,662.57 : x
  2. Step 2: Convert to fraction form
    5,361.24/8,040.78 = 1,662.57/x
  3. Step 3: Cross multiply
    5,361.24x = 8,040.78 × 1,662.57
  4. Step 4: Simplify right side
    5,361.24x = 13,368,359.60
  5. Step 5: Solve for x
    x = 13,368,359.60/5,361.24
  6. Step 6: Final answer
    x = 2,493.52

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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.