Home / 7,028.30-9,698.25-4,339.03

Finding the Fourth Proportional to 7,028.30, 9,698.25 and 4,339.03

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Solution

The fourth proportional to 7,028.30, 9,698.25 and 4,339.03 is: 5,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.30 : 9,698.25 = 4,339.03 : x
  2. Step 2: Convert to fraction form
    7,028.30/9,698.25 = 4,339.03/x
  3. Step 3: Cross multiply
    7,028.30x = 9,698.25 × 4,339.03
  4. Step 4: Simplify right side
    7,028.30x = 42,080,997.70
  5. Step 5: Solve for x
    x = 42,080,997.70/7,028.30
  6. Step 6: Final answer
    x = 5,987.37

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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.