Home / 5,213.57-7,192.05-3,534.41

Finding the Fourth Proportional to 5,213.57, 7,192.05 and 3,534.41

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Solution

The fourth proportional to 5,213.57, 7,192.05 and 3,534.41 is: 4,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.57 : 7,192.05 = 3,534.41 : x
  2. Step 2: Convert to fraction form
    5,213.57/7,192.05 = 3,534.41/x
  3. Step 3: Cross multiply
    5,213.57x = 7,192.05 × 3,534.41
  4. Step 4: Simplify right side
    5,213.57x = 25,419,653.44
  5. Step 5: Solve for x
    x = 25,419,653.44/5,213.57
  6. Step 6: Final answer
    x = 4,875.67

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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.