Home / 4,949.90-7,425.84-1,662.87

Finding the Fourth Proportional to 4,949.90, 7,425.84 and 1,662.87

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Solution

The fourth proportional to 4,949.90, 7,425.84 and 1,662.87 is: 2,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.90 : 7,425.84 = 1,662.87 : x
  2. Step 2: Convert to fraction form
    4,949.90/7,425.84 = 1,662.87/x
  3. Step 3: Cross multiply
    4,949.90x = 7,425.84 × 1,662.87
  4. Step 4: Simplify right side
    4,949.90x = 12,348,206.56
  5. Step 5: Solve for x
    x = 12,348,206.56/4,949.90
  6. Step 6: Final answer
    x = 2,494.64

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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.