Home / 2,910.29-4,016.19-1,583.99

Finding the Fourth Proportional to 2,910.29, 4,016.19 and 1,583.99

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Solution

The fourth proportional to 2,910.29, 4,016.19 and 1,583.99 is: 2,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.29 : 4,016.19 = 1,583.99 : x
  2. Step 2: Convert to fraction form
    2,910.29/4,016.19 = 1,583.99/x
  3. Step 3: Cross multiply
    2,910.29x = 4,016.19 × 1,583.99
  4. Step 4: Simplify right side
    2,910.29x = 6,361,605.72
  5. Step 5: Solve for x
    x = 6,361,605.72/2,910.29
  6. Step 6: Final answer
    x = 2,185.90

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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.