Home / 2,682.12-4,023.16-1,763.48

Finding the Fourth Proportional to 2,682.12, 4,023.16 and 1,763.48

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Solution

The fourth proportional to 2,682.12, 4,023.16 and 1,763.48 is: 2,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.12 : 4,023.16 = 1,763.48 : x
  2. Step 2: Convert to fraction form
    2,682.12/4,023.16 = 1,763.48/x
  3. Step 3: Cross multiply
    2,682.12x = 4,023.16 × 1,763.48
  4. Step 4: Simplify right side
    2,682.12x = 7,094,762.20
  5. Step 5: Solve for x
    x = 7,094,762.20/2,682.12
  6. Step 6: Final answer
    x = 2,645.21

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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.