Home / 2,926.72-4,034.60-2,226.88

Finding the Fourth Proportional to 2,926.72, 4,034.60 and 2,226.88

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Solution

The fourth proportional to 2,926.72, 4,034.60 and 2,226.88 is: 3,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.72 : 4,034.60 = 2,226.88 : x
  2. Step 2: Convert to fraction form
    2,926.72/4,034.60 = 2,226.88/x
  3. Step 3: Cross multiply
    2,926.72x = 4,034.60 × 2,226.88
  4. Step 4: Simplify right side
    2,926.72x = 8,984,570.05
  5. Step 5: Solve for x
    x = 8,984,570.05/2,926.72
  6. Step 6: Final answer
    x = 3,069.84

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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.