Home / 2,182.11-3,011.42-2,028.35

Finding the Fourth Proportional to 2,182.11, 3,011.42 and 2,028.35

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Solution

The fourth proportional to 2,182.11, 3,011.42 and 2,028.35 is: 2,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.11 : 3,011.42 = 2,028.35 : x
  2. Step 2: Convert to fraction form
    2,182.11/3,011.42 = 2,028.35/x
  3. Step 3: Cross multiply
    2,182.11x = 3,011.42 × 2,028.35
  4. Step 4: Simplify right side
    2,182.11x = 6,108,203.77
  5. Step 5: Solve for x
    x = 6,108,203.77/2,182.11
  6. Step 6: Final answer
    x = 2,799.22

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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.