Home / 5,645.02-8,469.42-2,722.99

Finding the Fourth Proportional to 5,645.02, 8,469.42 and 2,722.99

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Solution

The fourth proportional to 5,645.02, 8,469.42 and 2,722.99 is: 4,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.02 : 8,469.42 = 2,722.99 : x
  2. Step 2: Convert to fraction form
    5,645.02/8,469.42 = 2,722.99/x
  3. Step 3: Cross multiply
    5,645.02x = 8,469.42 × 2,722.99
  4. Step 4: Simplify right side
    5,645.02x = 23,062,145.97
  5. Step 5: Solve for x
    x = 23,062,145.97/5,645.02
  6. Step 6: Final answer
    x = 4,085.40

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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.