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Finding the Fourth Proportional to 3,370.92, 4,651.74 and 1,973.64

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Solution

The fourth proportional to 3,370.92, 4,651.74 and 1,973.64 is: 2,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.92 : 4,651.74 = 1,973.64 : x
  2. Step 2: Convert to fraction form
    3,370.92/4,651.74 = 1,973.64/x
  3. Step 3: Cross multiply
    3,370.92x = 4,651.74 × 1,973.64
  4. Step 4: Simplify right side
    3,370.92x = 9,180,860.13
  5. Step 5: Solve for x
    x = 9,180,860.13/3,370.92
  6. Step 6: Final answer
    x = 2,723.55

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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.