Home / 3,784.50-5,223.09-2,292.42

Finding the Fourth Proportional to 3,784.50, 5,223.09 and 2,292.42

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Solution

The fourth proportional to 3,784.50, 5,223.09 and 2,292.42 is: 3,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.50 : 5,223.09 = 2,292.42 : x
  2. Step 2: Convert to fraction form
    3,784.50/5,223.09 = 2,292.42/x
  3. Step 3: Cross multiply
    3,784.50x = 5,223.09 × 2,292.42
  4. Step 4: Simplify right side
    3,784.50x = 11,973,515.98
  5. Step 5: Solve for x
    x = 11,973,515.98/3,784.50
  6. Step 6: Final answer
    x = 3,163.83

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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.