Home / 3,328.61-4,991.47-1,768.27

Finding the Fourth Proportional to 3,328.61, 4,991.47 and 1,768.27

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Solution

The fourth proportional to 3,328.61, 4,991.47 and 1,768.27 is: 2,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.61 : 4,991.47 = 1,768.27 : x
  2. Step 2: Convert to fraction form
    3,328.61/4,991.47 = 1,768.27/x
  3. Step 3: Cross multiply
    3,328.61x = 4,991.47 × 1,768.27
  4. Step 4: Simplify right side
    3,328.61x = 8,826,266.66
  5. Step 5: Solve for x
    x = 8,826,266.66/3,328.61
  6. Step 6: Final answer
    x = 2,651.64

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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.