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Finding the Fourth Proportional to 3,589.96, 4,953.80 and 2,097.80

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Solution

The fourth proportional to 3,589.96, 4,953.80 and 2,097.80 is: 2,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.96 : 4,953.80 = 2,097.80 : x
  2. Step 2: Convert to fraction form
    3,589.96/4,953.80 = 2,097.80/x
  3. Step 3: Cross multiply
    3,589.96x = 4,953.80 × 2,097.80
  4. Step 4: Simplify right side
    3,589.96x = 10,392,081.64
  5. Step 5: Solve for x
    x = 10,392,081.64/3,589.96
  6. Step 6: Final answer
    x = 2,894.76

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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.