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Finding the Fourth Proportional to 3,461.99, 5,192.81 and 1,270.58

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Solution

The fourth proportional to 3,461.99, 5,192.81 and 1,270.58 is: 1,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.99 : 5,192.81 = 1,270.58 : x
  2. Step 2: Convert to fraction form
    3,461.99/5,192.81 = 1,270.58/x
  3. Step 3: Cross multiply
    3,461.99x = 5,192.81 × 1,270.58
  4. Step 4: Simplify right side
    3,461.99x = 6,597,852.98
  5. Step 5: Solve for x
    x = 6,597,852.98/3,461.99
  6. Step 6: Final answer
    x = 1,905.80

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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.