Home / 2,220.48-3,330.26-1,049.99

Finding the Fourth Proportional to 2,220.48, 3,330.26 and 1,049.99

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Solution

The fourth proportional to 2,220.48, 3,330.26 and 1,049.99 is: 1,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.48 : 3,330.26 = 1,049.99 : x
  2. Step 2: Convert to fraction form
    2,220.48/3,330.26 = 1,049.99/x
  3. Step 3: Cross multiply
    2,220.48x = 3,330.26 × 1,049.99
  4. Step 4: Simplify right side
    2,220.48x = 3,496,739.70
  5. Step 5: Solve for x
    x = 3,496,739.70/2,220.48
  6. Step 6: Final answer
    x = 1,574.77

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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.