Home / 5,789.70-8,672.40-4,551.21

Finding the Fourth Proportional to 5,789.70, 8,672.40 and 4,551.21

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Solution

The fourth proportional to 5,789.70, 8,672.40 and 4,551.21 is: 6,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.70 : 8,672.40 = 4,551.21 : x
  2. Step 2: Convert to fraction form
    5,789.70/8,672.40 = 4,551.21/x
  3. Step 3: Cross multiply
    5,789.70x = 8,672.40 × 4,551.21
  4. Step 4: Simplify right side
    5,789.70x = 39,469,913.60
  5. Step 5: Solve for x
    x = 39,469,913.60/5,789.70
  6. Step 6: Final answer
    x = 6,817.26

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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.