Home / 5,308.52-7,962.78-3,578.36

Finding the Fourth Proportional to 5,308.52, 7,962.78 and 3,578.36

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Solution

The fourth proportional to 5,308.52, 7,962.78 and 3,578.36 is: 5,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.52 : 7,962.78 = 3,578.36 : x
  2. Step 2: Convert to fraction form
    5,308.52/7,962.78 = 3,578.36/x
  3. Step 3: Cross multiply
    5,308.52x = 7,962.78 × 3,578.36
  4. Step 4: Simplify right side
    5,308.52x = 28,493,693.44
  5. Step 5: Solve for x
    x = 28,493,693.44/5,308.52
  6. Step 6: Final answer
    x = 5,367.54

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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.