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Finding the Fourth Proportional to 3,210.08, 4,838.78 and 2,943.51

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Solution

The fourth proportional to 3,210.08, 4,838.78 and 2,943.51 is: 4,436.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.08 : 4,838.78 = 2,943.51 : x
  2. Step 2: Convert to fraction form
    3,210.08/4,838.78 = 2,943.51/x
  3. Step 3: Cross multiply
    3,210.08x = 4,838.78 × 2,943.51
  4. Step 4: Simplify right side
    3,210.08x = 14,242,997.32
  5. Step 5: Solve for x
    x = 14,242,997.32/3,210.08
  6. Step 6: Final answer
    x = 4,436.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.