Home / 2,675.16-4,008.42-1,647

Finding the Fourth Proportional to 2,675.16, 4,008.42 and 1,647

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Solution

The fourth proportional to 2,675.16, 4,008.42 and 1,647 is: 2,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.16 : 4,008.42 = 1,647 : x
  2. Step 2: Convert to fraction form
    2,675.16/4,008.42 = 1,647/x
  3. Step 3: Cross multiply
    2,675.16x = 4,008.42 × 1,647
  4. Step 4: Simplify right side
    2,675.16x = 6,601,867.74
  5. Step 5: Solve for x
    x = 6,601,867.74/2,675.16
  6. Step 6: Final answer
    x = 2,467.84

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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.