Home / 5,505.88-8,261.76-2,584.21

Finding the Fourth Proportional to 5,505.88, 8,261.76 and 2,584.21

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Solution

The fourth proportional to 5,505.88, 8,261.76 and 2,584.21 is: 3,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.88 : 8,261.76 = 2,584.21 : x
  2. Step 2: Convert to fraction form
    5,505.88/8,261.76 = 2,584.21/x
  3. Step 3: Cross multiply
    5,505.88x = 8,261.76 × 2,584.21
  4. Step 4: Simplify right side
    5,505.88x = 21,350,122.81
  5. Step 5: Solve for x
    x = 21,350,122.81/5,505.88
  6. Step 6: Final answer
    x = 3,877.69

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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.