Home / 2,195.35-3,277.37-2,118.44

Finding the Fourth Proportional to 2,195.35, 3,277.37 and 2,118.44

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Solution

The fourth proportional to 2,195.35, 3,277.37 and 2,118.44 is: 3,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.35 : 3,277.37 = 2,118.44 : x
  2. Step 2: Convert to fraction form
    2,195.35/3,277.37 = 2,118.44/x
  3. Step 3: Cross multiply
    2,195.35x = 3,277.37 × 2,118.44
  4. Step 4: Simplify right side
    2,195.35x = 6,942,925.19
  5. Step 5: Solve for x
    x = 6,942,925.19/2,195.35
  6. Step 6: Final answer
    x = 3,162.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.