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Finding the Fourth Proportional to 3,864.02, 5,794.17 and 1,913.93

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Solution

The fourth proportional to 3,864.02, 5,794.17 and 1,913.93 is: 2,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.02 : 5,794.17 = 1,913.93 : x
  2. Step 2: Convert to fraction form
    3,864.02/5,794.17 = 1,913.93/x
  3. Step 3: Cross multiply
    3,864.02x = 5,794.17 × 1,913.93
  4. Step 4: Simplify right side
    3,864.02x = 11,089,635.79
  5. Step 5: Solve for x
    x = 11,089,635.79/3,864.02
  6. Step 6: Final answer
    x = 2,869.97

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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.