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Finding the Fourth Proportional to 3,976.56, 5,484.24 and 2,482.92

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Solution

The fourth proportional to 3,976.56, 5,484.24 and 2,482.92 is: 3,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.56 : 5,484.24 = 2,482.92 : x
  2. Step 2: Convert to fraction form
    3,976.56/5,484.24 = 2,482.92/x
  3. Step 3: Cross multiply
    3,976.56x = 5,484.24 × 2,482.92
  4. Step 4: Simplify right side
    3,976.56x = 13,616,929.18
  5. Step 5: Solve for x
    x = 13,616,929.18/3,976.56
  6. Step 6: Final answer
    x = 3,424.30

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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.