Home / 3,784.85-5,222.22-2,292.74

Finding the Fourth Proportional to 3,784.85, 5,222.22 and 2,292.74

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Solution

The fourth proportional to 3,784.85, 5,222.22 and 2,292.74 is: 3,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.85 : 5,222.22 = 2,292.74 : x
  2. Step 2: Convert to fraction form
    3,784.85/5,222.22 = 2,292.74/x
  3. Step 3: Cross multiply
    3,784.85x = 5,222.22 × 2,292.74
  4. Step 4: Simplify right side
    3,784.85x = 11,973,166.57
  5. Step 5: Solve for x
    x = 11,973,166.57/3,784.85
  6. Step 6: Final answer
    x = 3,163.45

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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.