Home / 5,363.80-8,067.30-4,802.20

Finding the Fourth Proportional to 5,363.80, 8,067.30 and 4,802.20

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Solution

The fourth proportional to 5,363.80, 8,067.30 and 4,802.20 is: 7,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.80 : 8,067.30 = 4,802.20 : x
  2. Step 2: Convert to fraction form
    5,363.80/8,067.30 = 4,802.20/x
  3. Step 3: Cross multiply
    5,363.80x = 8,067.30 × 4,802.20
  4. Step 4: Simplify right side
    5,363.80x = 38,740,788.06
  5. Step 5: Solve for x
    x = 38,740,788.06/5,363.80
  6. Step 6: Final answer
    x = 7,222.64

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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.