Home / 2,220.23-3,329.89-1,049.74

Finding the Fourth Proportional to 2,220.23, 3,329.89 and 1,049.74

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Solution

The fourth proportional to 2,220.23, 3,329.89 and 1,049.74 is: 1,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.23 : 3,329.89 = 1,049.74 : x
  2. Step 2: Convert to fraction form
    2,220.23/3,329.89 = 1,049.74/x
  3. Step 3: Cross multiply
    2,220.23x = 3,329.89 × 1,049.74
  4. Step 4: Simplify right side
    2,220.23x = 3,495,518.73
  5. Step 5: Solve for x
    x = 3,495,518.73/2,220.23
  6. Step 6: Final answer
    x = 1,574.39

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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.