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Finding the Fourth Proportional to 2,732.55, 3,770.93 and 1,490.55

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Solution

The fourth proportional to 2,732.55, 3,770.93 and 1,490.55 is: 2,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.55 : 3,770.93 = 1,490.55 : x
  2. Step 2: Convert to fraction form
    2,732.55/3,770.93 = 1,490.55/x
  3. Step 3: Cross multiply
    2,732.55x = 3,770.93 × 1,490.55
  4. Step 4: Simplify right side
    2,732.55x = 5,620,759.71
  5. Step 5: Solve for x
    x = 5,620,759.71/2,732.55
  6. Step 6: Final answer
    x = 2,056.97

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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.