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Finding the Fourth Proportional to 3,605.32, 4,974.30 and 2,348.22

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Solution

The fourth proportional to 3,605.32, 4,974.30 and 2,348.22 is: 3,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.32 : 4,974.30 = 2,348.22 : x
  2. Step 2: Convert to fraction form
    3,605.32/4,974.30 = 2,348.22/x
  3. Step 3: Cross multiply
    3,605.32x = 4,974.30 × 2,348.22
  4. Step 4: Simplify right side
    3,605.32x = 11,680,750.75
  5. Step 5: Solve for x
    x = 11,680,750.75/3,605.32
  6. Step 6: Final answer
    x = 3,239.87

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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.