Home / 4,882.78-7,307.14-3,995.02

Finding the Fourth Proportional to 4,882.78, 7,307.14 and 3,995.02

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Solution

The fourth proportional to 4,882.78, 7,307.14 and 3,995.02 is: 5,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.78 : 7,307.14 = 3,995.02 : x
  2. Step 2: Convert to fraction form
    4,882.78/7,307.14 = 3,995.02/x
  3. Step 3: Cross multiply
    4,882.78x = 7,307.14 × 3,995.02
  4. Step 4: Simplify right side
    4,882.78x = 29,192,170.44
  5. Step 5: Solve for x
    x = 29,192,170.44/4,882.78
  6. Step 6: Final answer
    x = 5,978.60

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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.