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Finding the Fourth Proportional to 2,607.54, 3,910.84 and 1,047.48

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Solution

The fourth proportional to 2,607.54, 3,910.84 and 1,047.48 is: 1,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.54 : 3,910.84 = 1,047.48 : x
  2. Step 2: Convert to fraction form
    2,607.54/3,910.84 = 1,047.48/x
  3. Step 3: Cross multiply
    2,607.54x = 3,910.84 × 1,047.48
  4. Step 4: Simplify right side
    2,607.54x = 4,096,526.68
  5. Step 5: Solve for x
    x = 4,096,526.68/2,607.54
  6. Step 6: Final answer
    x = 1,571.03

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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.