Home / 5,729.24-8,591.14-2,220.89

Finding the Fourth Proportional to 5,729.24, 8,591.14 and 2,220.89

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Solution

The fourth proportional to 5,729.24, 8,591.14 and 2,220.89 is: 3,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.24 : 8,591.14 = 2,220.89 : x
  2. Step 2: Convert to fraction form
    5,729.24/8,591.14 = 2,220.89/x
  3. Step 3: Cross multiply
    5,729.24x = 8,591.14 × 2,220.89
  4. Step 4: Simplify right side
    5,729.24x = 19,079,928.41
  5. Step 5: Solve for x
    x = 19,079,928.41/5,729.24
  6. Step 6: Final answer
    x = 3,330.27

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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.