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Finding the Fourth Proportional to 2,937.71, 4,054.04 and 1,611.42

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Solution

The fourth proportional to 2,937.71, 4,054.04 and 1,611.42 is: 2,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.71 : 4,054.04 = 1,611.42 : x
  2. Step 2: Convert to fraction form
    2,937.71/4,054.04 = 1,611.42/x
  3. Step 3: Cross multiply
    2,937.71x = 4,054.04 × 1,611.42
  4. Step 4: Simplify right side
    2,937.71x = 6,532,761.14
  5. Step 5: Solve for x
    x = 6,532,761.14/2,937.71
  6. Step 6: Final answer
    x = 2,223.76

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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.