Home / 5,213.88-7,195.22-2,855.96

Finding the Fourth Proportional to 5,213.88, 7,195.22 and 2,855.96

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Solution

The fourth proportional to 5,213.88, 7,195.22 and 2,855.96 is: 3,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.88 : 7,195.22 = 2,855.96 : x
  2. Step 2: Convert to fraction form
    5,213.88/7,195.22 = 2,855.96/x
  3. Step 3: Cross multiply
    5,213.88x = 7,195.22 × 2,855.96
  4. Step 4: Simplify right side
    5,213.88x = 20,549,260.51
  5. Step 5: Solve for x
    x = 20,549,260.51/5,213.88
  6. Step 6: Final answer
    x = 3,941.26

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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.