Home / 2,927.34-4,028.94-2,796.12

Finding the Fourth Proportional to 2,927.34, 4,028.94 and 2,796.12

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Solution

The fourth proportional to 2,927.34, 4,028.94 and 2,796.12 is: 3,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.34 : 4,028.94 = 2,796.12 : x
  2. Step 2: Convert to fraction form
    2,927.34/4,028.94 = 2,796.12/x
  3. Step 3: Cross multiply
    2,927.34x = 4,028.94 × 2,796.12
  4. Step 4: Simplify right side
    2,927.34x = 11,265,399.71
  5. Step 5: Solve for x
    x = 11,265,399.71/2,927.34
  6. Step 6: Final answer
    x = 3,848.34

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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.