Home / 5,813.97-8,023.36-3,161.38

Finding the Fourth Proportional to 5,813.97, 8,023.36 and 3,161.38

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Solution

The fourth proportional to 5,813.97, 8,023.36 and 3,161.38 is: 4,362.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.97 : 8,023.36 = 3,161.38 : x
  2. Step 2: Convert to fraction form
    5,813.97/8,023.36 = 3,161.38/x
  3. Step 3: Cross multiply
    5,813.97x = 8,023.36 × 3,161.38
  4. Step 4: Simplify right side
    5,813.97x = 25,364,889.84
  5. Step 5: Solve for x
    x = 25,364,889.84/5,813.97
  6. Step 6: Final answer
    x = 4,362.75

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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.