Home / 5,813.82-8,023.02-3,161.25

Finding the Fourth Proportional to 5,813.82, 8,023.02 and 3,161.25

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Solution

The fourth proportional to 5,813.82, 8,023.02 and 3,161.25 is: 4,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.82 : 8,023.02 = 3,161.25 : x
  2. Step 2: Convert to fraction form
    5,813.82/8,023.02 = 3,161.25/x
  3. Step 3: Cross multiply
    5,813.82x = 8,023.02 × 3,161.25
  4. Step 4: Simplify right side
    5,813.82x = 25,362,760.12
  5. Step 5: Solve for x
    x = 25,362,760.12/5,813.82
  6. Step 6: Final answer
    x = 4,362.49

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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.