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Finding the Fourth Proportional to 5,193.54, 7,167.07 and 2,955.40

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Solution

The fourth proportional to 5,193.54, 7,167.07 and 2,955.40 is: 4,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.54 : 7,167.07 = 2,955.40 : x
  2. Step 2: Convert to fraction form
    5,193.54/7,167.07 = 2,955.40/x
  3. Step 3: Cross multiply
    5,193.54x = 7,167.07 × 2,955.40
  4. Step 4: Simplify right side
    5,193.54x = 21,181,568.15
  5. Step 5: Solve for x
    x = 21,181,568.15/5,193.54
  6. Step 6: Final answer
    x = 4,078.44

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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.