Home / 3,765.76-5,635.68-3,679.36

Finding the Fourth Proportional to 3,765.76, 5,635.68 and 3,679.36

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Solution

The fourth proportional to 3,765.76, 5,635.68 and 3,679.36 is: 5,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.76 : 5,635.68 = 3,679.36 : x
  2. Step 2: Convert to fraction form
    3,765.76/5,635.68 = 3,679.36/x
  3. Step 3: Cross multiply
    3,765.76x = 5,635.68 × 3,679.36
  4. Step 4: Simplify right side
    3,765.76x = 20,735,695.56
  5. Step 5: Solve for x
    x = 20,735,695.56/3,765.76
  6. Step 6: Final answer
    x = 5,506.38

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1.5x scale

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.