Home / 3,195.11-4,409.27-1,868.84

Finding the Fourth Proportional to 3,195.11, 4,409.27 and 1,868.84

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Solution

The fourth proportional to 3,195.11, 4,409.27 and 1,868.84 is: 2,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.11 : 4,409.27 = 1,868.84 : x
  2. Step 2: Convert to fraction form
    3,195.11/4,409.27 = 1,868.84/x
  3. Step 3: Cross multiply
    3,195.11x = 4,409.27 × 1,868.84
  4. Step 4: Simplify right side
    3,195.11x = 8,240,212.30
  5. Step 5: Solve for x
    x = 8,240,212.30/3,195.11
  6. Step 6: Final answer
    x = 2,579.01

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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.