Home / 4,186.75-5,777.11-2,696.69

Finding the Fourth Proportional to 4,186.75, 5,777.11 and 2,696.69

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Solution

The fourth proportional to 4,186.75, 5,777.11 and 2,696.69 is: 3,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.75 : 5,777.11 = 2,696.69 : x
  2. Step 2: Convert to fraction form
    4,186.75/5,777.11 = 2,696.69/x
  3. Step 3: Cross multiply
    4,186.75x = 5,777.11 × 2,696.69
  4. Step 4: Simplify right side
    4,186.75x = 15,579,074.77
  5. Step 5: Solve for x
    x = 15,579,074.77/4,186.75
  6. Step 6: Final answer
    x = 3,721.04

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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.