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Finding the Fourth Proportional to 3,397.01, 5,087.28 and 1,726.74

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Solution

The fourth proportional to 3,397.01, 5,087.28 and 1,726.74 is: 2,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.01 : 5,087.28 = 1,726.74 : x
  2. Step 2: Convert to fraction form
    3,397.01/5,087.28 = 1,726.74/x
  3. Step 3: Cross multiply
    3,397.01x = 5,087.28 × 1,726.74
  4. Step 4: Simplify right side
    3,397.01x = 8,784,409.87
  5. Step 5: Solve for x
    x = 8,784,409.87/3,397.01
  6. Step 6: Final answer
    x = 2,585.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.