Home / 5,055.24-7,581.80-1,356.60

Finding the Fourth Proportional to 5,055.24, 7,581.80 and 1,356.60

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Solution

The fourth proportional to 5,055.24, 7,581.80 and 1,356.60 is: 2,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.24 : 7,581.80 = 1,356.60 : x
  2. Step 2: Convert to fraction form
    5,055.24/7,581.80 = 1,356.60/x
  3. Step 3: Cross multiply
    5,055.24x = 7,581.80 × 1,356.60
  4. Step 4: Simplify right side
    5,055.24x = 10,285,469.88
  5. Step 5: Solve for x
    x = 10,285,469.88/5,055.24
  6. Step 6: Final answer
    x = 2,034.62

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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.