Home / 5,553.60-7,663.68-3,069.44

Finding the Fourth Proportional to 5,553.60, 7,663.68 and 3,069.44

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Solution

The fourth proportional to 5,553.60, 7,663.68 and 3,069.44 is: 4,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.60 : 7,663.68 = 3,069.44 : x
  2. Step 2: Convert to fraction form
    5,553.60/7,663.68 = 3,069.44/x
  3. Step 3: Cross multiply
    5,553.60x = 7,663.68 × 3,069.44
  4. Step 4: Simplify right side
    5,553.60x = 23,523,205.94
  5. Step 5: Solve for x
    x = 23,523,205.94/5,553.60
  6. Step 6: Final answer
    x = 4,235.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.