Home / 2,949.91-4,075.35-2,202.58

Finding the Fourth Proportional to 2,949.91, 4,075.35 and 2,202.58

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Solution

The fourth proportional to 2,949.91, 4,075.35 and 2,202.58 is: 3,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.91 : 4,075.35 = 2,202.58 : x
  2. Step 2: Convert to fraction form
    2,949.91/4,075.35 = 2,202.58/x
  3. Step 3: Cross multiply
    2,949.91x = 4,075.35 × 2,202.58
  4. Step 4: Simplify right side
    2,949.91x = 8,976,258.31
  5. Step 5: Solve for x
    x = 8,976,258.31/2,949.91
  6. Step 6: Final answer
    x = 3,042.89

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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.