Home / 3,769.48-5,200.20-2,276.44

Finding the Fourth Proportional to 3,769.48, 5,200.20 and 2,276.44

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Solution

The fourth proportional to 3,769.48, 5,200.20 and 2,276.44 is: 3,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.48 : 5,200.20 = 2,276.44 : x
  2. Step 2: Convert to fraction form
    3,769.48/5,200.20 = 2,276.44/x
  3. Step 3: Cross multiply
    3,769.48x = 5,200.20 × 2,276.44
  4. Step 4: Simplify right side
    3,769.48x = 11,837,943.29
  5. Step 5: Solve for x
    x = 11,837,943.29/3,769.48
  6. Step 6: Final answer
    x = 3,140.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.