Home / 5,161.23-7,122.56-3,037.23

Finding the Fourth Proportional to 5,161.23, 7,122.56 and 3,037.23

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Solution

The fourth proportional to 5,161.23, 7,122.56 and 3,037.23 is: 4,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.23 : 7,122.56 = 3,037.23 : x
  2. Step 2: Convert to fraction form
    5,161.23/7,122.56 = 3,037.23/x
  3. Step 3: Cross multiply
    5,161.23x = 7,122.56 × 3,037.23
  4. Step 4: Simplify right side
    5,161.23x = 21,632,837.72
  5. Step 5: Solve for x
    x = 21,632,837.72/5,161.23
  6. Step 6: Final answer
    x = 4,191.41

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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.