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Finding the Fourth Proportional to 3,616.46, 4,991.63 and 2,045.46

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Solution

The fourth proportional to 3,616.46, 4,991.63 and 2,045.46 is: 2,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.46 : 4,991.63 = 2,045.46 : x
  2. Step 2: Convert to fraction form
    3,616.46/4,991.63 = 2,045.46/x
  3. Step 3: Cross multiply
    3,616.46x = 4,991.63 × 2,045.46
  4. Step 4: Simplify right side
    3,616.46x = 10,210,187.99
  5. Step 5: Solve for x
    x = 10,210,187.99/3,616.46
  6. Step 6: Final answer
    x = 2,823.26

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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.