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Finding the Fourth Proportional to 5,783.87, 8,674.51 and 2,660.88

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Solution

The fourth proportional to 5,783.87, 8,674.51 and 2,660.88 is: 3,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.87 : 8,674.51 = 2,660.88 : x
  2. Step 2: Convert to fraction form
    5,783.87/8,674.51 = 2,660.88/x
  3. Step 3: Cross multiply
    5,783.87x = 8,674.51 × 2,660.88
  4. Step 4: Simplify right side
    5,783.87x = 23,081,830.17
  5. Step 5: Solve for x
    x = 23,081,830.17/5,783.87
  6. Step 6: Final answer
    x = 3,990.72

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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.