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Finding the Fourth Proportional to 5,703.90, 8,551.80 and 2,192.55

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Solution

The fourth proportional to 5,703.90, 8,551.80 and 2,192.55 is: 3,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.90 : 8,551.80 = 2,192.55 : x
  2. Step 2: Convert to fraction form
    5,703.90/8,551.80 = 2,192.55/x
  3. Step 3: Cross multiply
    5,703.90x = 8,551.80 × 2,192.55
  4. Step 4: Simplify right side
    5,703.90x = 18,750,249.09
  5. Step 5: Solve for x
    x = 18,750,249.09/5,703.90
  6. Step 6: Final answer
    x = 3,287.27

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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.