Home / 5,615.01-8,422.47-2,104.86

Finding the Fourth Proportional to 5,615.01, 8,422.47 and 2,104.86

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Solution

The fourth proportional to 5,615.01, 8,422.47 and 2,104.86 is: 3,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.01 : 8,422.47 = 2,104.86 : x
  2. Step 2: Convert to fraction form
    5,615.01/8,422.47 = 2,104.86/x
  3. Step 3: Cross multiply
    5,615.01x = 8,422.47 × 2,104.86
  4. Step 4: Simplify right side
    5,615.01x = 17,728,120.20
  5. Step 5: Solve for x
    x = 17,728,120.20/5,615.01
  6. Step 6: Final answer
    x = 3,157.27

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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.