Home / 5,853.45-8,781.60-1,693.34

Finding the Fourth Proportional to 5,853.45, 8,781.60 and 1,693.34

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Solution

The fourth proportional to 5,853.45, 8,781.60 and 1,693.34 is: 2,540.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.45 : 8,781.60 = 1,693.34 : x
  2. Step 2: Convert to fraction form
    5,853.45/8,781.60 = 1,693.34/x
  3. Step 3: Cross multiply
    5,853.45x = 8,781.60 × 1,693.34
  4. Step 4: Simplify right side
    5,853.45x = 14,870,234.54
  5. Step 5: Solve for x
    x = 14,870,234.54/5,853.45
  6. Step 6: Final answer
    x = 2,540.42

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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.