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Finding the Fourth Proportional to 2,604.08, 3,898.90 and 2,028.08

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Solution

The fourth proportional to 2,604.08, 3,898.90 and 2,028.08 is: 3,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604.08 : 3,898.90 = 2,028.08 : x
  2. Step 2: Convert to fraction form
    2,604.08/3,898.90 = 2,028.08/x
  3. Step 3: Cross multiply
    2,604.08x = 3,898.90 × 2,028.08
  4. Step 4: Simplify right side
    2,604.08x = 7,907,281.11
  5. Step 5: Solve for x
    x = 7,907,281.11/2,604.08
  6. Step 6: Final answer
    x = 3,036.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.