Home / 5,403.03-8,090.97-3,422.65

Finding the Fourth Proportional to 5,403.03, 8,090.97 and 3,422.65

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Solution

The fourth proportional to 5,403.03, 8,090.97 and 3,422.65 is: 5,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.03 : 8,090.97 = 3,422.65 : x
  2. Step 2: Convert to fraction form
    5,403.03/8,090.97 = 3,422.65/x
  3. Step 3: Cross multiply
    5,403.03x = 8,090.97 × 3,422.65
  4. Step 4: Simplify right side
    5,403.03x = 27,692,558.47
  5. Step 5: Solve for x
    x = 27,692,558.47/5,403.03
  6. Step 6: Final answer
    x = 5,125.38

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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.