Home / 5,209.20-7,180.44-4,263.60

Finding the Fourth Proportional to 5,209.20, 7,180.44 and 4,263.60

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Solution

The fourth proportional to 5,209.20, 7,180.44 and 4,263.60 is: 5,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.20 : 7,180.44 = 4,263.60 : x
  2. Step 2: Convert to fraction form
    5,209.20/7,180.44 = 4,263.60/x
  3. Step 3: Cross multiply
    5,209.20x = 7,180.44 × 4,263.60
  4. Step 4: Simplify right side
    5,209.20x = 30,614,523.98
  5. Step 5: Solve for x
    x = 30,614,523.98/5,209.20
  6. Step 6: Final answer
    x = 5,877.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.