Home / 4,186.92-5,776.20-2,615.52

Finding the Fourth Proportional to 4,186.92, 5,776.20 and 2,615.52

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Solution

The fourth proportional to 4,186.92, 5,776.20 and 2,615.52 is: 3,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.92 : 5,776.20 = 2,615.52 : x
  2. Step 2: Convert to fraction form
    4,186.92/5,776.20 = 2,615.52/x
  3. Step 3: Cross multiply
    4,186.92x = 5,776.20 × 2,615.52
  4. Step 4: Simplify right side
    4,186.92x = 15,107,766.62
  5. Step 5: Solve for x
    x = 15,107,766.62/4,186.92
  6. Step 6: Final answer
    x = 3,608.32

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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.