Home / 2,522.28-3,784.47-1,115.97

Finding the Fourth Proportional to 2,522.28, 3,784.47 and 1,115.97

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Solution

The fourth proportional to 2,522.28, 3,784.47 and 1,115.97 is: 1,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.28 : 3,784.47 = 1,115.97 : x
  2. Step 2: Convert to fraction form
    2,522.28/3,784.47 = 1,115.97/x
  3. Step 3: Cross multiply
    2,522.28x = 3,784.47 × 1,115.97
  4. Step 4: Simplify right side
    2,522.28x = 4,223,354.99
  5. Step 5: Solve for x
    x = 4,223,354.99/2,522.28
  6. Step 6: Final answer
    x = 1,674.42

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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.