Home / 3,057.20-4,583.75-1,109.15

Finding the Fourth Proportional to 3,057.20, 4,583.75 and 1,109.15

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Solution

The fourth proportional to 3,057.20, 4,583.75 and 1,109.15 is: 1,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.20 : 4,583.75 = 1,109.15 : x
  2. Step 2: Convert to fraction form
    3,057.20/4,583.75 = 1,109.15/x
  3. Step 3: Cross multiply
    3,057.20x = 4,583.75 × 1,109.15
  4. Step 4: Simplify right side
    3,057.20x = 5,084,043.39
  5. Step 5: Solve for x
    x = 5,084,043.39/3,057.20
  6. Step 6: Final answer
    x = 1,662.98

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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.