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Finding the Fourth Proportional to 1,723.55, 2,584.23 and 797.87

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Solution

The fourth proportional to 1,723.55, 2,584.23 and 797.87 is: 1,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.55 : 2,584.23 = 797.87 : x
  2. Step 2: Convert to fraction form
    1,723.55/2,584.23 = 797.87/x
  3. Step 3: Cross multiply
    1,723.55x = 2,584.23 × 797.87
  4. Step 4: Simplify right side
    1,723.55x = 2,061,879.59
  5. Step 5: Solve for x
    x = 2,061,879.59/1,723.55
  6. Step 6: Final answer
    x = 1,196.30

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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.