Home / 4,808.20-7,210.38-1,729.48

Finding the Fourth Proportional to 4,808.20, 7,210.38 and 1,729.48

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Solution

The fourth proportional to 4,808.20, 7,210.38 and 1,729.48 is: 2,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.20 : 7,210.38 = 1,729.48 : x
  2. Step 2: Convert to fraction form
    4,808.20/7,210.38 = 1,729.48/x
  3. Step 3: Cross multiply
    4,808.20x = 7,210.38 × 1,729.48
  4. Step 4: Simplify right side
    4,808.20x = 12,470,208.00
  5. Step 5: Solve for x
    x = 12,470,208.00/4,808.20
  6. Step 6: Final answer
    x = 2,593.53

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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.