Home / 2,790.75-4,166.16-2,693.36

Finding the Fourth Proportional to 2,790.75, 4,166.16 and 2,693.36

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Solution

The fourth proportional to 2,790.75, 4,166.16 and 2,693.36 is: 4,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.75 : 4,166.16 = 2,693.36 : x
  2. Step 2: Convert to fraction form
    2,790.75/4,166.16 = 2,693.36/x
  3. Step 3: Cross multiply
    2,790.75x = 4,166.16 × 2,693.36
  4. Step 4: Simplify right side
    2,790.75x = 11,220,964.87
  5. Step 5: Solve for x
    x = 11,220,964.87/2,790.75
  6. Step 6: Final answer
    x = 4,020.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.