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Finding the Fourth Proportional to 2,846.97, 3,929.99 and 1,798.83

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Solution

The fourth proportional to 2,846.97, 3,929.99 and 1,798.83 is: 2,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.97 : 3,929.99 = 1,798.83 : x
  2. Step 2: Convert to fraction form
    2,846.97/3,929.99 = 1,798.83/x
  3. Step 3: Cross multiply
    2,846.97x = 3,929.99 × 1,798.83
  4. Step 4: Simplify right side
    2,846.97x = 7,069,374.92
  5. Step 5: Solve for x
    x = 7,069,374.92/2,846.97
  6. Step 6: Final answer
    x = 2,483.12

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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.