Home / 5,912.67-8,160.98-3,556.20

Finding the Fourth Proportional to 5,912.67, 8,160.98 and 3,556.20

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Solution

The fourth proportional to 5,912.67, 8,160.98 and 3,556.20 is: 4,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.67 : 8,160.98 = 3,556.20 : x
  2. Step 2: Convert to fraction form
    5,912.67/8,160.98 = 3,556.20/x
  3. Step 3: Cross multiply
    5,912.67x = 8,160.98 × 3,556.20
  4. Step 4: Simplify right side
    5,912.67x = 29,022,059.30
  5. Step 5: Solve for x
    x = 29,022,059.30/5,912.67
  6. Step 6: Final answer
    x = 4,908.45

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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.