Home / 5,213.43-7,194.56-2,975.18

Finding the Fourth Proportional to 5,213.43, 7,194.56 and 2,975.18

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Solution

The fourth proportional to 5,213.43, 7,194.56 and 2,975.18 is: 4,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.43 : 7,194.56 = 2,975.18 : x
  2. Step 2: Convert to fraction form
    5,213.43/7,194.56 = 2,975.18/x
  3. Step 3: Cross multiply
    5,213.43x = 7,194.56 × 2,975.18
  4. Step 4: Simplify right side
    5,213.43x = 21,405,060.17
  5. Step 5: Solve for x
    x = 21,405,060.17/5,213.43
  6. Step 6: Final answer
    x = 4,105.75

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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.