Home / 5,503.13-8,255.70-2,216.55

Finding the Fourth Proportional to 5,503.13, 8,255.70 and 2,216.55

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Solution

The fourth proportional to 5,503.13, 8,255.70 and 2,216.55 is: 3,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.13 : 8,255.70 = 2,216.55 : x
  2. Step 2: Convert to fraction form
    5,503.13/8,255.70 = 2,216.55/x
  3. Step 3: Cross multiply
    5,503.13x = 8,255.70 × 2,216.55
  4. Step 4: Simplify right side
    5,503.13x = 18,299,171.84
  5. Step 5: Solve for x
    x = 18,299,171.84/5,503.13
  6. Step 6: Final answer
    x = 3,325.23

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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.