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Finding the Fourth Proportional to 3,397.99, 4,689.27 and 2,053.41

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Solution

The fourth proportional to 3,397.99, 4,689.27 and 2,053.41 is: 2,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.99 : 4,689.27 = 2,053.41 : x
  2. Step 2: Convert to fraction form
    3,397.99/4,689.27 = 2,053.41/x
  3. Step 3: Cross multiply
    3,397.99x = 4,689.27 × 2,053.41
  4. Step 4: Simplify right side
    3,397.99x = 9,628,960.20
  5. Step 5: Solve for x
    x = 9,628,960.20/3,397.99
  6. Step 6: Final answer
    x = 2,833.73

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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.