Home / 2,768.29-4,156.07-2,651.04

Finding the Fourth Proportional to 2,768.29, 4,156.07 and 2,651.04

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Solution

The fourth proportional to 2,768.29, 4,156.07 and 2,651.04 is: 3,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.29 : 4,156.07 = 2,651.04 : x
  2. Step 2: Convert to fraction form
    2,768.29/4,156.07 = 2,651.04/x
  3. Step 3: Cross multiply
    2,768.29x = 4,156.07 × 2,651.04
  4. Step 4: Simplify right side
    2,768.29x = 11,017,907.81
  5. Step 5: Solve for x
    x = 11,017,907.81/2,768.29
  6. Step 6: Final answer
    x = 3,980.04

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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.