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Finding the Fourth Proportional to 5,754.63, 7,942.86 and 3,397.53

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Solution

The fourth proportional to 5,754.63, 7,942.86 and 3,397.53 is: 4,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.63 : 7,942.86 = 3,397.53 : x
  2. Step 2: Convert to fraction form
    5,754.63/7,942.86 = 3,397.53/x
  3. Step 3: Cross multiply
    5,754.63x = 7,942.86 × 3,397.53
  4. Step 4: Simplify right side
    5,754.63x = 26,986,105.14
  5. Step 5: Solve for x
    x = 26,986,105.14/5,754.63
  6. Step 6: Final answer
    x = 4,689.46

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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.