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Finding the Fourth Proportional to 3,483.44, 4,807.44 and 2,086.64

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Solution

The fourth proportional to 3,483.44, 4,807.44 and 2,086.64 is: 2,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.44 : 4,807.44 = 2,086.64 : x
  2. Step 2: Convert to fraction form
    3,483.44/4,807.44 = 2,086.64/x
  3. Step 3: Cross multiply
    3,483.44x = 4,807.44 × 2,086.64
  4. Step 4: Simplify right side
    3,483.44x = 10,031,396.60
  5. Step 5: Solve for x
    x = 10,031,396.60/3,483.44
  6. Step 6: Final answer
    x = 2,879.74

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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.