Home / 2,210.20-3,049.62-1,266.04

Finding the Fourth Proportional to 2,210.20, 3,049.62 and 1,266.04

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Solution

The fourth proportional to 2,210.20, 3,049.62 and 1,266.04 is: 1,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.20 : 3,049.62 = 1,266.04 : x
  2. Step 2: Convert to fraction form
    2,210.20/3,049.62 = 1,266.04/x
  3. Step 3: Cross multiply
    2,210.20x = 3,049.62 × 1,266.04
  4. Step 4: Simplify right side
    2,210.20x = 3,860,940.90
  5. Step 5: Solve for x
    x = 3,860,940.90/2,210.20
  6. Step 6: Final answer
    x = 1,746.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.