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Finding the Fourth Proportional to 3,491.39, 5,237.15 and 2,794.82

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Solution

The fourth proportional to 3,491.39, 5,237.15 and 2,794.82 is: 4,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.39 : 5,237.15 = 2,794.82 : x
  2. Step 2: Convert to fraction form
    3,491.39/5,237.15 = 2,794.82/x
  3. Step 3: Cross multiply
    3,491.39x = 5,237.15 × 2,794.82
  4. Step 4: Simplify right side
    3,491.39x = 14,636,851.40
  5. Step 5: Solve for x
    x = 14,636,851.40/3,491.39
  6. Step 6: Final answer
    x = 4,192.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.