Home / 5,191.10-7,783.20-2,416.26

Finding the Fourth Proportional to 5,191.10, 7,783.20 and 2,416.26

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Solution

The fourth proportional to 5,191.10, 7,783.20 and 2,416.26 is: 3,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.10 : 7,783.20 = 2,416.26 : x
  2. Step 2: Convert to fraction form
    5,191.10/7,783.20 = 2,416.26/x
  3. Step 3: Cross multiply
    5,191.10x = 7,783.20 × 2,416.26
  4. Step 4: Simplify right side
    5,191.10x = 18,806,234.83
  5. Step 5: Solve for x
    x = 18,806,234.83/5,191.10
  6. Step 6: Final answer
    x = 3,622.78

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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.