Home / 2,851.06-3,922.13-2,325.94

Finding the Fourth Proportional to 2,851.06, 3,922.13 and 2,325.94

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Solution

The fourth proportional to 2,851.06, 3,922.13 and 2,325.94 is: 3,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.06 : 3,922.13 = 2,325.94 : x
  2. Step 2: Convert to fraction form
    2,851.06/3,922.13 = 2,325.94/x
  3. Step 3: Cross multiply
    2,851.06x = 3,922.13 × 2,325.94
  4. Step 4: Simplify right side
    2,851.06x = 9,122,639.05
  5. Step 5: Solve for x
    x = 9,122,639.05/2,851.06
  6. Step 6: Final answer
    x = 3,199.74

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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.