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Finding the Fourth Proportional to 3,798.53, 5,247.03 and 3,055.29

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Solution

The fourth proportional to 3,798.53, 5,247.03 and 3,055.29 is: 4,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.53 : 5,247.03 = 3,055.29 : x
  2. Step 2: Convert to fraction form
    3,798.53/5,247.03 = 3,055.29/x
  3. Step 3: Cross multiply
    3,798.53x = 5,247.03 × 3,055.29
  4. Step 4: Simplify right side
    3,798.53x = 16,031,172.88
  5. Step 5: Solve for x
    x = 16,031,172.88/3,798.53
  6. Step 6: Final answer
    x = 4,220.36

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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.