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Finding the Fourth Proportional to 2,903.44, 4,355.16 and 2,290.39

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Solution

The fourth proportional to 2,903.44, 4,355.16 and 2,290.39 is: 3,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.44 : 4,355.16 = 2,290.39 : x
  2. Step 2: Convert to fraction form
    2,903.44/4,355.16 = 2,290.39/x
  3. Step 3: Cross multiply
    2,903.44x = 4,355.16 × 2,290.39
  4. Step 4: Simplify right side
    2,903.44x = 9,975,014.91
  5. Step 5: Solve for x
    x = 9,975,014.91/2,903.44
  6. Step 6: Final answer
    x = 3,435.59

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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.