Home / 5,162.22-7,123.88-3,396.99

Finding the Fourth Proportional to 5,162.22, 7,123.88 and 3,396.99

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Solution

The fourth proportional to 5,162.22, 7,123.88 and 3,396.99 is: 4,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.22 : 7,123.88 = 3,396.99 : x
  2. Step 2: Convert to fraction form
    5,162.22/7,123.88 = 3,396.99/x
  3. Step 3: Cross multiply
    5,162.22x = 7,123.88 × 3,396.99
  4. Step 4: Simplify right side
    5,162.22x = 24,199,749.12
  5. Step 5: Solve for x
    x = 24,199,749.12/5,162.22
  6. Step 6: Final answer
    x = 4,687.86

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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.