Home / 5,416.72-8,128.24-2,296.56

Finding the Fourth Proportional to 5,416.72, 8,128.24 and 2,296.56

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Solution

The fourth proportional to 5,416.72, 8,128.24 and 2,296.56 is: 3,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.72 : 8,128.24 = 2,296.56 : x
  2. Step 2: Convert to fraction form
    5,416.72/8,128.24 = 2,296.56/x
  3. Step 3: Cross multiply
    5,416.72x = 8,128.24 × 2,296.56
  4. Step 4: Simplify right side
    5,416.72x = 18,666,990.85
  5. Step 5: Solve for x
    x = 18,666,990.85/5,416.72
  6. Step 6: Final answer
    x = 3,446.18

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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.