Home / 2,910.66-4,016.61-1,584.33

Finding the Fourth Proportional to 2,910.66, 4,016.61 and 1,584.33

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Solution

The fourth proportional to 2,910.66, 4,016.61 and 1,584.33 is: 2,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.66 : 4,016.61 = 1,584.33 : x
  2. Step 2: Convert to fraction form
    2,910.66/4,016.61 = 1,584.33/x
  3. Step 3: Cross multiply
    2,910.66x = 4,016.61 × 1,584.33
  4. Step 4: Simplify right side
    2,910.66x = 6,363,635.72
  5. Step 5: Solve for x
    x = 6,363,635.72/2,910.66
  6. Step 6: Final answer
    x = 2,186.32

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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.