Home / 2,918.66-4,027.27-2,770.92

Finding the Fourth Proportional to 2,918.66, 4,027.27 and 2,770.92

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Solution

The fourth proportional to 2,918.66, 4,027.27 and 2,770.92 is: 3,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.66 : 4,027.27 = 2,770.92 : x
  2. Step 2: Convert to fraction form
    2,918.66/4,027.27 = 2,770.92/x
  3. Step 3: Cross multiply
    2,918.66x = 4,027.27 × 2,770.92
  4. Step 4: Simplify right side
    2,918.66x = 11,159,246.92
  5. Step 5: Solve for x
    x = 11,159,246.92/2,918.66
  6. Step 6: Final answer
    x = 3,823.42

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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.