Home / 2,195.35-3,028.05-2,123.03

Finding the Fourth Proportional to 2,195.35, 3,028.05 and 2,123.03

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Solution

The fourth proportional to 2,195.35, 3,028.05 and 2,123.03 is: 2,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.35 : 3,028.05 = 2,123.03 : x
  2. Step 2: Convert to fraction form
    2,195.35/3,028.05 = 2,123.03/x
  3. Step 3: Cross multiply
    2,195.35x = 3,028.05 × 2,123.03
  4. Step 4: Simplify right side
    2,195.35x = 6,428,648.56
  5. Step 5: Solve for x
    x = 6,428,648.56/2,195.35
  6. Step 6: Final answer
    x = 2,928.31

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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.