Home / 5,902.23-8,145.87-3,812.43

Finding the Fourth Proportional to 5,902.23, 8,145.87 and 3,812.43

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Solution

The fourth proportional to 5,902.23, 8,145.87 and 3,812.43 is: 5,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.23 : 8,145.87 = 3,812.43 : x
  2. Step 2: Convert to fraction form
    5,902.23/8,145.87 = 3,812.43/x
  3. Step 3: Cross multiply
    5,902.23x = 8,145.87 × 3,812.43
  4. Step 4: Simplify right side
    5,902.23x = 31,055,559.16
  5. Step 5: Solve for x
    x = 31,055,559.16/5,902.23
  6. Step 6: Final answer
    x = 5,261.67

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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.