Home / 5,613.27-8,420.99-2,150.25

Finding the Fourth Proportional to 5,613.27, 8,420.99 and 2,150.25

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Solution

The fourth proportional to 5,613.27, 8,420.99 and 2,150.25 is: 3,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.27 : 8,420.99 = 2,150.25 : x
  2. Step 2: Convert to fraction form
    5,613.27/8,420.99 = 2,150.25/x
  3. Step 3: Cross multiply
    5,613.27x = 8,420.99 × 2,150.25
  4. Step 4: Simplify right side
    5,613.27x = 18,107,223.00
  5. Step 5: Solve for x
    x = 18,107,223.00/5,613.27
  6. Step 6: Final answer
    x = 3,225.79

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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.