Home / 3,022.14-4,538.70-2,778.24

Finding the Fourth Proportional to 3,022.14, 4,538.70 and 2,778.24

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Solution

The fourth proportional to 3,022.14, 4,538.70 and 2,778.24 is: 4,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.14 : 4,538.70 = 2,778.24 : x
  2. Step 2: Convert to fraction form
    3,022.14/4,538.70 = 2,778.24/x
  3. Step 3: Cross multiply
    3,022.14x = 4,538.70 × 2,778.24
  4. Step 4: Simplify right side
    3,022.14x = 12,609,597.89
  5. Step 5: Solve for x
    x = 12,609,597.89/3,022.14
  6. Step 6: Final answer
    x = 4,172.41

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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.