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Finding the Fourth Proportional to 2,598.56, 3,891.36 and 1,730.24

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Solution

The fourth proportional to 2,598.56, 3,891.36 and 1,730.24 is: 2,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.56 : 3,891.36 = 1,730.24 : x
  2. Step 2: Convert to fraction form
    2,598.56/3,891.36 = 1,730.24/x
  3. Step 3: Cross multiply
    2,598.56x = 3,891.36 × 1,730.24
  4. Step 4: Simplify right side
    2,598.56x = 6,732,986.73
  5. Step 5: Solve for x
    x = 6,732,986.73/2,598.56
  6. Step 6: Final answer
    x = 2,591.05

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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.