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Finding the Fourth Proportional to 6,370.94, 8,791.99 and 3,538.49

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Solution

The fourth proportional to 6,370.94, 8,791.99 and 3,538.49 is: 4,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.94 : 8,791.99 = 3,538.49 : x
  2. Step 2: Convert to fraction form
    6,370.94/8,791.99 = 3,538.49/x
  3. Step 3: Cross multiply
    6,370.94x = 8,791.99 × 3,538.49
  4. Step 4: Simplify right side
    6,370.94x = 31,110,368.70
  5. Step 5: Solve for x
    x = 31,110,368.70/6,370.94
  6. Step 6: Final answer
    x = 4,883.17

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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.