Home / 2,762.48-4,135.97-2,072.36

Finding the Fourth Proportional to 2,762.48, 4,135.97 and 2,072.36

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Solution

The fourth proportional to 2,762.48, 4,135.97 and 2,072.36 is: 3,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.48 : 4,135.97 = 2,072.36 : x
  2. Step 2: Convert to fraction form
    2,762.48/4,135.97 = 2,072.36/x
  3. Step 3: Cross multiply
    2,762.48x = 4,135.97 × 2,072.36
  4. Step 4: Simplify right side
    2,762.48x = 8,571,218.79
  5. Step 5: Solve for x
    x = 8,571,218.79/2,762.48
  6. Step 6: Final answer
    x = 3,102.73

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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.