Home / 2,823.30-3,900.58-1,943.79

Finding the Fourth Proportional to 2,823.30, 3,900.58 and 1,943.79

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Solution

The fourth proportional to 2,823.30, 3,900.58 and 1,943.79 is: 2,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.30 : 3,900.58 = 1,943.79 : x
  2. Step 2: Convert to fraction form
    2,823.30/3,900.58 = 1,943.79/x
  3. Step 3: Cross multiply
    2,823.30x = 3,900.58 × 1,943.79
  4. Step 4: Simplify right side
    2,823.30x = 7,581,903.54
  5. Step 5: Solve for x
    x = 7,581,903.54/2,823.30
  6. Step 6: Final answer
    x = 2,685.48

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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.