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Finding the Fourth Proportional to 3,392.57, 5,088.86 and 927.34

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Solution

The fourth proportional to 3,392.57, 5,088.86 and 927.34 is: 1,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.57 : 5,088.86 = 927.34 : x
  2. Step 2: Convert to fraction form
    3,392.57/5,088.86 = 927.34/x
  3. Step 3: Cross multiply
    3,392.57x = 5,088.86 × 927.34
  4. Step 4: Simplify right side
    3,392.57x = 4,719,089.55
  5. Step 5: Solve for x
    x = 4,719,089.55/3,392.57
  6. Step 6: Final answer
    x = 1,391.01

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Similar ratio
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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.