Home / 3,195.14-4,408.63-1,868.58

Finding the Fourth Proportional to 3,195.14, 4,408.63 and 1,868.58

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Solution

The fourth proportional to 3,195.14, 4,408.63 and 1,868.58 is: 2,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.14 : 4,408.63 = 1,868.58 : x
  2. Step 2: Convert to fraction form
    3,195.14/4,408.63 = 1,868.58/x
  3. Step 3: Cross multiply
    3,195.14x = 4,408.63 × 1,868.58
  4. Step 4: Simplify right side
    3,195.14x = 8,237,877.85
  5. Step 5: Solve for x
    x = 8,237,877.85/3,195.14
  6. Step 6: Final answer
    x = 2,578.25

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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.