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Finding the Fourth Proportional to 3,483.28, 5,197.90 and 3,114

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Solution

The fourth proportional to 3,483.28, 5,197.90 and 3,114 is: 4,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.28 : 5,197.90 = 3,114 : x
  2. Step 2: Convert to fraction form
    3,483.28/5,197.90 = 3,114/x
  3. Step 3: Cross multiply
    3,483.28x = 5,197.90 × 3,114
  4. Step 4: Simplify right side
    3,483.28x = 16,186,260.60
  5. Step 5: Solve for x
    x = 16,186,260.60/3,483.28
  6. Step 6: Final answer
    x = 4,646.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.