Home / 5,195.10-7,168.94-2,836.77

Finding the Fourth Proportional to 5,195.10, 7,168.94 and 2,836.77

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Solution

The fourth proportional to 5,195.10, 7,168.94 and 2,836.77 is: 3,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.10 : 7,168.94 = 2,836.77 : x
  2. Step 2: Convert to fraction form
    5,195.10/7,168.94 = 2,836.77/x
  3. Step 3: Cross multiply
    5,195.10x = 7,168.94 × 2,836.77
  4. Step 4: Simplify right side
    5,195.10x = 20,336,619.74
  5. Step 5: Solve for x
    x = 20,336,619.74/5,195.10
  6. Step 6: Final answer
    x = 3,914.58

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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.