Home / 5,721.64-8,584.70-1,826.60

Finding the Fourth Proportional to 5,721.64, 8,584.70 and 1,826.60

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Solution

The fourth proportional to 5,721.64, 8,584.70 and 1,826.60 is: 2,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.64 : 8,584.70 = 1,826.60 : x
  2. Step 2: Convert to fraction form
    5,721.64/8,584.70 = 1,826.60/x
  3. Step 3: Cross multiply
    5,721.64x = 8,584.70 × 1,826.60
  4. Step 4: Simplify right side
    5,721.64x = 15,680,813.02
  5. Step 5: Solve for x
    x = 15,680,813.02/5,721.64
  6. Step 6: Final answer
    x = 2,740.62

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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.