Home / 5,853.18-8,778.54-2,154.44

Finding the Fourth Proportional to 5,853.18, 8,778.54 and 2,154.44

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Solution

The fourth proportional to 5,853.18, 8,778.54 and 2,154.44 is: 3,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.18 : 8,778.54 = 2,154.44 : x
  2. Step 2: Convert to fraction form
    5,853.18/8,778.54 = 2,154.44/x
  3. Step 3: Cross multiply
    5,853.18x = 8,778.54 × 2,154.44
  4. Step 4: Simplify right side
    5,853.18x = 18,912,837.72
  5. Step 5: Solve for x
    x = 18,912,837.72/5,853.18
  6. Step 6: Final answer
    x = 3,231.21

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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.