Home / 5,213.93-7,195.07-2,855.93

Finding the Fourth Proportional to 5,213.93, 7,195.07 and 2,855.93

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Solution

The fourth proportional to 5,213.93, 7,195.07 and 2,855.93 is: 3,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.93 : 7,195.07 = 2,855.93 : x
  2. Step 2: Convert to fraction form
    5,213.93/7,195.07 = 2,855.93/x
  3. Step 3: Cross multiply
    5,213.93x = 7,195.07 × 2,855.93
  4. Step 4: Simplify right side
    5,213.93x = 20,548,566.01
  5. Step 5: Solve for x
    x = 20,548,566.01/5,213.93
  6. Step 6: Final answer
    x = 3,941.09

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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.