Home / 4,851.26-6,694.47-2,861.90

Finding the Fourth Proportional to 4,851.26, 6,694.47 and 2,861.90

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Solution

The fourth proportional to 4,851.26, 6,694.47 and 2,861.90 is: 3,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.26 : 6,694.47 = 2,861.90 : x
  2. Step 2: Convert to fraction form
    4,851.26/6,694.47 = 2,861.90/x
  3. Step 3: Cross multiply
    4,851.26x = 6,694.47 × 2,861.90
  4. Step 4: Simplify right side
    4,851.26x = 19,158,870.22
  5. Step 5: Solve for x
    x = 19,158,870.22/4,851.26
  6. Step 6: Final answer
    x = 3,949.26

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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.