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Finding the Fourth Proportional to 3,133.74, 4,700.74 and 2,584.90

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Solution

The fourth proportional to 3,133.74, 4,700.74 and 2,584.90 is: 3,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.74 : 4,700.74 = 2,584.90 : x
  2. Step 2: Convert to fraction form
    3,133.74/4,700.74 = 2,584.90/x
  3. Step 3: Cross multiply
    3,133.74x = 4,700.74 × 2,584.90
  4. Step 4: Simplify right side
    3,133.74x = 12,150,942.83
  5. Step 5: Solve for x
    x = 12,150,942.83/3,133.74
  6. Step 6: Final answer
    x = 3,877.46

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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.