Home / 5,563.54-7,678.56-3,206.44

Finding the Fourth Proportional to 5,563.54, 7,678.56 and 3,206.44

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Solution

The fourth proportional to 5,563.54, 7,678.56 and 3,206.44 is: 4,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.54 : 7,678.56 = 3,206.44 : x
  2. Step 2: Convert to fraction form
    5,563.54/7,678.56 = 3,206.44/x
  3. Step 3: Cross multiply
    5,563.54x = 7,678.56 × 3,206.44
  4. Step 4: Simplify right side
    5,563.54x = 24,620,841.93
  5. Step 5: Solve for x
    x = 24,620,841.93/5,563.54
  6. Step 6: Final answer
    x = 4,425.39

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Half scale
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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.