Home / 2,771.84-3,824.19-1,724.51

Finding the Fourth Proportional to 2,771.84, 3,824.19 and 1,724.51

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Solution

The fourth proportional to 2,771.84, 3,824.19 and 1,724.51 is: 2,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.84 : 3,824.19 = 1,724.51 : x
  2. Step 2: Convert to fraction form
    2,771.84/3,824.19 = 1,724.51/x
  3. Step 3: Cross multiply
    2,771.84x = 3,824.19 × 1,724.51
  4. Step 4: Simplify right side
    2,771.84x = 6,594,834.78
  5. Step 5: Solve for x
    x = 6,594,834.78/2,771.84
  6. Step 6: Final answer
    x = 2,379.23

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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.