Home / 5,431.55-7,496.03-3,192.31

Finding the Fourth Proportional to 5,431.55, 7,496.03 and 3,192.31

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Solution

The fourth proportional to 5,431.55, 7,496.03 and 3,192.31 is: 4,405.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.55 : 7,496.03 = 3,192.31 : x
  2. Step 2: Convert to fraction form
    5,431.55/7,496.03 = 3,192.31/x
  3. Step 3: Cross multiply
    5,431.55x = 7,496.03 × 3,192.31
  4. Step 4: Simplify right side
    5,431.55x = 23,929,598.09
  5. Step 5: Solve for x
    x = 23,929,598.09/5,431.55
  6. Step 6: Final answer
    x = 4,405.67

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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.