Home / 4,015.44-5,529.60-3,425.76

Finding the Fourth Proportional to 4,015.44, 5,529.60 and 3,425.76

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Solution

The fourth proportional to 4,015.44, 5,529.60 and 3,425.76 is: 4,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.44 : 5,529.60 = 3,425.76 : x
  2. Step 2: Convert to fraction form
    4,015.44/5,529.60 = 3,425.76/x
  3. Step 3: Cross multiply
    4,015.44x = 5,529.60 × 3,425.76
  4. Step 4: Simplify right side
    4,015.44x = 18,943,082.50
  5. Step 5: Solve for x
    x = 18,943,082.50/4,015.44
  6. Step 6: Final answer
    x = 4,717.56

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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.