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Finding the Fourth Proportional to 4,657.99, 6,983.80 and 2,193.06

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Solution

The fourth proportional to 4,657.99, 6,983.80 and 2,193.06 is: 3,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.99 : 6,983.80 = 2,193.06 : x
  2. Step 2: Convert to fraction form
    4,657.99/6,983.80 = 2,193.06/x
  3. Step 3: Cross multiply
    4,657.99x = 6,983.80 × 2,193.06
  4. Step 4: Simplify right side
    4,657.99x = 15,315,892.43
  5. Step 5: Solve for x
    x = 15,315,892.43/4,657.99
  6. Step 6: Final answer
    x = 3,288.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.