Home / 3,768.41-5,199.93-2,276.07

Finding the Fourth Proportional to 3,768.41, 5,199.93 and 2,276.07

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Solution

The fourth proportional to 3,768.41, 5,199.93 and 2,276.07 is: 3,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.41 : 5,199.93 = 2,276.07 : x
  2. Step 2: Convert to fraction form
    3,768.41/5,199.93 = 2,276.07/x
  3. Step 3: Cross multiply
    3,768.41x = 5,199.93 × 2,276.07
  4. Step 4: Simplify right side
    3,768.41x = 11,835,404.68
  5. Step 5: Solve for x
    x = 11,835,404.68/3,768.41
  6. Step 6: Final answer
    x = 3,140.69

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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.