Home / 4,222.51-5,821.59-2,893.84

Finding the Fourth Proportional to 4,222.51, 5,821.59 and 2,893.84

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Solution

The fourth proportional to 4,222.51, 5,821.59 and 2,893.84 is: 3,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.51 : 5,821.59 = 2,893.84 : x
  2. Step 2: Convert to fraction form
    4,222.51/5,821.59 = 2,893.84/x
  3. Step 3: Cross multiply
    4,222.51x = 5,821.59 × 2,893.84
  4. Step 4: Simplify right side
    4,222.51x = 16,846,750.01
  5. Step 5: Solve for x
    x = 16,846,750.01/4,222.51
  6. Step 6: Final answer
    x = 3,989.75

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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.