Home / 5,213.10-7,195.83-3,168.99

Finding the Fourth Proportional to 5,213.10, 7,195.83 and 3,168.99

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Solution

The fourth proportional to 5,213.10, 7,195.83 and 3,168.99 is: 4,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.10 : 7,195.83 = 3,168.99 : x
  2. Step 2: Convert to fraction form
    5,213.10/7,195.83 = 3,168.99/x
  3. Step 3: Cross multiply
    5,213.10x = 7,195.83 × 3,168.99
  4. Step 4: Simplify right side
    5,213.10x = 22,803,539.49
  5. Step 5: Solve for x
    x = 22,803,539.49/5,213.10
  6. Step 6: Final answer
    x = 4,374.28

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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.