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Finding the Fourth Proportional to 5,875.74, 8,811.79 and 2,591.60

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Solution

The fourth proportional to 5,875.74, 8,811.79 and 2,591.60 is: 3,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.74 : 8,811.79 = 2,591.60 : x
  2. Step 2: Convert to fraction form
    5,875.74/8,811.79 = 2,591.60/x
  3. Step 3: Cross multiply
    5,875.74x = 8,811.79 × 2,591.60
  4. Step 4: Simplify right side
    5,875.74x = 22,836,584.43
  5. Step 5: Solve for x
    x = 22,836,584.43/5,875.74
  6. Step 6: Final answer
    x = 3,886.59

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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.