Home / 1,926.46-2,890.72-1,892.14

Finding the Fourth Proportional to 1,926.46, 2,890.72 and 1,892.14

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Solution

The fourth proportional to 1,926.46, 2,890.72 and 1,892.14 is: 2,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.46 : 2,890.72 = 1,892.14 : x
  2. Step 2: Convert to fraction form
    1,926.46/2,890.72 = 1,892.14/x
  3. Step 3: Cross multiply
    1,926.46x = 2,890.72 × 1,892.14
  4. Step 4: Simplify right side
    1,926.46x = 5,469,646.94
  5. Step 5: Solve for x
    x = 5,469,646.94/1,926.46
  6. Step 6: Final answer
    x = 2,839.22

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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.