Home / 6,213.36-8,573.40-3,729.36

Finding the Fourth Proportional to 6,213.36, 8,573.40 and 3,729.36

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Solution

The fourth proportional to 6,213.36, 8,573.40 and 3,729.36 is: 5,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.36 : 8,573.40 = 3,729.36 : x
  2. Step 2: Convert to fraction form
    6,213.36/8,573.40 = 3,729.36/x
  3. Step 3: Cross multiply
    6,213.36x = 8,573.40 × 3,729.36
  4. Step 4: Simplify right side
    6,213.36x = 31,973,295.02
  5. Step 5: Solve for x
    x = 31,973,295.02/6,213.36
  6. Step 6: Final answer
    x = 5,145.89

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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.