Home / 2,220.33-3,329.52-1,180.08

Finding the Fourth Proportional to 2,220.33, 3,329.52 and 1,180.08

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Solution

The fourth proportional to 2,220.33, 3,329.52 and 1,180.08 is: 1,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.33 : 3,329.52 = 1,180.08 : x
  2. Step 2: Convert to fraction form
    2,220.33/3,329.52 = 1,180.08/x
  3. Step 3: Cross multiply
    2,220.33x = 3,329.52 × 1,180.08
  4. Step 4: Simplify right side
    2,220.33x = 3,929,099.96
  5. Step 5: Solve for x
    x = 3,929,099.96/2,220.33
  6. Step 6: Final answer
    x = 1,769.60

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1.5x scale

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.