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Finding the Fourth Proportional to 4,797.51, 6,616.81 and 3,119.46

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Solution

The fourth proportional to 4,797.51, 6,616.81 and 3,119.46 is: 4,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.51 : 6,616.81 = 3,119.46 : x
  2. Step 2: Convert to fraction form
    4,797.51/6,616.81 = 3,119.46/x
  3. Step 3: Cross multiply
    4,797.51x = 6,616.81 × 3,119.46
  4. Step 4: Simplify right side
    4,797.51x = 20,640,874.12
  5. Step 5: Solve for x
    x = 20,640,874.12/4,797.51
  6. Step 6: Final answer
    x = 4,302.41

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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.