Home / 5,371.20-7,418.26-3,697.74

Finding the Fourth Proportional to 5,371.20, 7,418.26 and 3,697.74

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Solution

The fourth proportional to 5,371.20, 7,418.26 and 3,697.74 is: 5,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.20 : 7,418.26 = 3,697.74 : x
  2. Step 2: Convert to fraction form
    5,371.20/7,418.26 = 3,697.74/x
  3. Step 3: Cross multiply
    5,371.20x = 7,418.26 × 3,697.74
  4. Step 4: Simplify right side
    5,371.20x = 27,430,796.73
  5. Step 5: Solve for x
    x = 27,430,796.73/5,371.20
  6. Step 6: Final answer
    x = 5,107.01

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1.5x scale

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.