Home / 4,872.56-7,307.36-4,092.80

Finding the Fourth Proportional to 4,872.56, 7,307.36 and 4,092.80

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Solution

The fourth proportional to 4,872.56, 7,307.36 and 4,092.80 is: 6,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.56 : 7,307.36 = 4,092.80 : x
  2. Step 2: Convert to fraction form
    4,872.56/7,307.36 = 4,092.80/x
  3. Step 3: Cross multiply
    4,872.56x = 7,307.36 × 4,092.80
  4. Step 4: Simplify right side
    4,872.56x = 29,907,563.01
  5. Step 5: Solve for x
    x = 29,907,563.01/4,872.56
  6. Step 6: Final answer
    x = 6,137.96

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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.