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Finding the Fourth Proportional to 3,670.26, 5,064.90 and 2,076.90

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Solution

The fourth proportional to 3,670.26, 5,064.90 and 2,076.90 is: 2,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.26 : 5,064.90 = 2,076.90 : x
  2. Step 2: Convert to fraction form
    3,670.26/5,064.90 = 2,076.90/x
  3. Step 3: Cross multiply
    3,670.26x = 5,064.90 × 2,076.90
  4. Step 4: Simplify right side
    3,670.26x = 10,519,290.81
  5. Step 5: Solve for x
    x = 10,519,290.81/3,670.26
  6. Step 6: Final answer
    x = 2,866.09

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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.