Home / 3,016.90-4,165.19-2,389.96

Finding the Fourth Proportional to 3,016.90, 4,165.19 and 2,389.96

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Solution

The fourth proportional to 3,016.90, 4,165.19 and 2,389.96 is: 3,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.90 : 4,165.19 = 2,389.96 : x
  2. Step 2: Convert to fraction form
    3,016.90/4,165.19 = 2,389.96/x
  3. Step 3: Cross multiply
    3,016.90x = 4,165.19 × 2,389.96
  4. Step 4: Simplify right side
    3,016.90x = 9,954,637.49
  5. Step 5: Solve for x
    x = 9,954,637.49/3,016.90
  6. Step 6: Final answer
    x = 3,299.62

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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.