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Finding the Fourth Proportional to 3,167.79, 4,752.90 and 2,231.63

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Solution

The fourth proportional to 3,167.79, 4,752.90 and 2,231.63 is: 3,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.79 : 4,752.90 = 2,231.63 : x
  2. Step 2: Convert to fraction form
    3,167.79/4,752.90 = 2,231.63/x
  3. Step 3: Cross multiply
    3,167.79x = 4,752.90 × 2,231.63
  4. Step 4: Simplify right side
    3,167.79x = 10,606,703.07
  5. Step 5: Solve for x
    x = 10,606,703.07/3,167.79
  6. Step 6: Final answer
    x = 3,348.30

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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.