Home / 3,221.34-4,446.45-2,511.06

Finding the Fourth Proportional to 3,221.34, 4,446.45 and 2,511.06

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Solution

The fourth proportional to 3,221.34, 4,446.45 and 2,511.06 is: 3,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.34 : 4,446.45 = 2,511.06 : x
  2. Step 2: Convert to fraction form
    3,221.34/4,446.45 = 2,511.06/x
  3. Step 3: Cross multiply
    3,221.34x = 4,446.45 × 2,511.06
  4. Step 4: Simplify right side
    3,221.34x = 11,165,302.74
  5. Step 5: Solve for x
    x = 11,165,302.74/3,221.34
  6. Step 6: Final answer
    x = 3,466.04

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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.