Home / 3,557.90-4,912.16-2,299.56

Finding the Fourth Proportional to 3,557.90, 4,912.16 and 2,299.56

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Solution

The fourth proportional to 3,557.90, 4,912.16 and 2,299.56 is: 3,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.90 : 4,912.16 = 2,299.56 : x
  2. Step 2: Convert to fraction form
    3,557.90/4,912.16 = 2,299.56/x
  3. Step 3: Cross multiply
    3,557.90x = 4,912.16 × 2,299.56
  4. Step 4: Simplify right side
    3,557.90x = 11,295,795.15
  5. Step 5: Solve for x
    x = 11,295,795.15/3,557.90
  6. Step 6: Final answer
    x = 3,174.85

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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.