Home / 5,902.78-8,145.66-3,250.18

Finding the Fourth Proportional to 5,902.78, 8,145.66 and 3,250.18

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Solution

The fourth proportional to 5,902.78, 8,145.66 and 3,250.18 is: 4,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.78 : 8,145.66 = 3,250.18 : x
  2. Step 2: Convert to fraction form
    5,902.78/8,145.66 = 3,250.18/x
  3. Step 3: Cross multiply
    5,902.78x = 8,145.66 × 3,250.18
  4. Step 4: Simplify right side
    5,902.78x = 26,474,861.22
  5. Step 5: Solve for x
    x = 26,474,861.22/5,902.78
  6. Step 6: Final answer
    x = 4,485.15

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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.