Home / 1,616.16-2,230.11-1,144.29

Finding the Fourth Proportional to 1,616.16, 2,230.11 and 1,144.29

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Solution

The fourth proportional to 1,616.16, 2,230.11 and 1,144.29 is: 1,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.16 : 2,230.11 = 1,144.29 : x
  2. Step 2: Convert to fraction form
    1,616.16/2,230.11 = 1,144.29/x
  3. Step 3: Cross multiply
    1,616.16x = 2,230.11 × 1,144.29
  4. Step 4: Simplify right side
    1,616.16x = 2,551,892.57
  5. Step 5: Solve for x
    x = 2,551,892.57/1,616.16
  6. Step 6: Final answer
    x = 1,578.99

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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.