Home / 5,042.55-6,956.53-3,150.84

Finding the Fourth Proportional to 5,042.55, 6,956.53 and 3,150.84

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Solution

The fourth proportional to 5,042.55, 6,956.53 and 3,150.84 is: 4,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.55 : 6,956.53 = 3,150.84 : x
  2. Step 2: Convert to fraction form
    5,042.55/6,956.53 = 3,150.84/x
  3. Step 3: Cross multiply
    5,042.55x = 6,956.53 × 3,150.84
  4. Step 4: Simplify right side
    5,042.55x = 21,918,912.99
  5. Step 5: Solve for x
    x = 21,918,912.99/5,042.55
  6. Step 6: Final answer
    x = 4,346.79

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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.