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Finding the Fourth Proportional to 4,731.88, 7,097.88 and 2,651.56

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Solution

The fourth proportional to 4,731.88, 7,097.88 and 2,651.56 is: 3,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.88 : 7,097.88 = 2,651.56 : x
  2. Step 2: Convert to fraction form
    4,731.88/7,097.88 = 2,651.56/x
  3. Step 3: Cross multiply
    4,731.88x = 7,097.88 × 2,651.56
  4. Step 4: Simplify right side
    4,731.88x = 18,820,454.69
  5. Step 5: Solve for x
    x = 18,820,454.69/4,731.88
  6. Step 6: Final answer
    x = 3,977.37

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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.