Home / 5,911.36-8,161.80-3,674.25

Finding the Fourth Proportional to 5,911.36, 8,161.80 and 3,674.25

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Solution

The fourth proportional to 5,911.36, 8,161.80 and 3,674.25 is: 5,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.36 : 8,161.80 = 3,674.25 : x
  2. Step 2: Convert to fraction form
    5,911.36/8,161.80 = 3,674.25/x
  3. Step 3: Cross multiply
    5,911.36x = 8,161.80 × 3,674.25
  4. Step 4: Simplify right side
    5,911.36x = 29,988,493.65
  5. Step 5: Solve for x
    x = 29,988,493.65/5,911.36
  6. Step 6: Final answer
    x = 5,073.03

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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.