Home / 5,161.80-7,125.09-3,822.26

Finding the Fourth Proportional to 5,161.80, 7,125.09 and 3,822.26

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Solution

The fourth proportional to 5,161.80, 7,125.09 and 3,822.26 is: 5,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.80 : 7,125.09 = 3,822.26 : x
  2. Step 2: Convert to fraction form
    5,161.80/7,125.09 = 3,822.26/x
  3. Step 3: Cross multiply
    5,161.80x = 7,125.09 × 3,822.26
  4. Step 4: Simplify right side
    5,161.80x = 27,233,946.50
  5. Step 5: Solve for x
    x = 27,233,946.50/5,161.80
  6. Step 6: Final answer
    x = 5,276.06

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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.