Home / 2,851.06-3,933.93-1,966.54

Finding the Fourth Proportional to 2,851.06, 3,933.93 and 1,966.54

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Solution

The fourth proportional to 2,851.06, 3,933.93 and 1,966.54 is: 2,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.06 : 3,933.93 = 1,966.54 : x
  2. Step 2: Convert to fraction form
    2,851.06/3,933.93 = 1,966.54/x
  3. Step 3: Cross multiply
    2,851.06x = 3,933.93 × 1,966.54
  4. Step 4: Simplify right side
    2,851.06x = 7,736,228.24
  5. Step 5: Solve for x
    x = 7,736,228.24/2,851.06
  6. Step 6: Final answer
    x = 2,713.46

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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.