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Finding the Fourth Proportional to 2,951.46, 4,070.88 and 2,741.22

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Solution

The fourth proportional to 2,951.46, 4,070.88 and 2,741.22 is: 3,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.46 : 4,070.88 = 2,741.22 : x
  2. Step 2: Convert to fraction form
    2,951.46/4,070.88 = 2,741.22/x
  3. Step 3: Cross multiply
    2,951.46x = 4,070.88 × 2,741.22
  4. Step 4: Simplify right side
    2,951.46x = 11,159,177.67
  5. Step 5: Solve for x
    x = 11,159,177.67/2,951.46
  6. Step 6: Final answer
    x = 3,780.90

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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.