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Finding the Fourth Proportional to 5,172.59, 7,758.87 and 1,884.34

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Solution

The fourth proportional to 5,172.59, 7,758.87 and 1,884.34 is: 2,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.59 : 7,758.87 = 1,884.34 : x
  2. Step 2: Convert to fraction form
    5,172.59/7,758.87 = 1,884.34/x
  3. Step 3: Cross multiply
    5,172.59x = 7,758.87 × 1,884.34
  4. Step 4: Simplify right side
    5,172.59x = 14,620,310.30
  5. Step 5: Solve for x
    x = 14,620,310.30/5,172.59
  6. Step 6: Final answer
    x = 2,826.50

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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.