Home / 3,110.62-4,293.07-1,784.46

Finding the Fourth Proportional to 3,110.62, 4,293.07 and 1,784.46

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Solution

The fourth proportional to 3,110.62, 4,293.07 and 1,784.46 is: 2,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.62 : 4,293.07 = 1,784.46 : x
  2. Step 2: Convert to fraction form
    3,110.62/4,293.07 = 1,784.46/x
  3. Step 3: Cross multiply
    3,110.62x = 4,293.07 × 1,784.46
  4. Step 4: Simplify right side
    3,110.62x = 7,660,811.69
  5. Step 5: Solve for x
    x = 7,660,811.69/3,110.62
  6. Step 6: Final answer
    x = 2,462.79

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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.