Home / 2,211.78-3,050.22-1,504.68

Finding the Fourth Proportional to 2,211.78, 3,050.22 and 1,504.68

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Solution

The fourth proportional to 2,211.78, 3,050.22 and 1,504.68 is: 2,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.78 : 3,050.22 = 1,504.68 : x
  2. Step 2: Convert to fraction form
    2,211.78/3,050.22 = 1,504.68/x
  3. Step 3: Cross multiply
    2,211.78x = 3,050.22 × 1,504.68
  4. Step 4: Simplify right side
    2,211.78x = 4,589,605.03
  5. Step 5: Solve for x
    x = 4,589,605.03/2,211.78
  6. Step 6: Final answer
    x = 2,075.07

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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.