Home / 5,260.28-7,876.96-5,104.56

Finding the Fourth Proportional to 5,260.28, 7,876.96 and 5,104.56

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Solution

The fourth proportional to 5,260.28, 7,876.96 and 5,104.56 is: 7,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.28 : 7,876.96 = 5,104.56 : x
  2. Step 2: Convert to fraction form
    5,260.28/7,876.96 = 5,104.56/x
  3. Step 3: Cross multiply
    5,260.28x = 7,876.96 × 5,104.56
  4. Step 4: Simplify right side
    5,260.28x = 40,208,414.94
  5. Step 5: Solve for x
    x = 40,208,414.94/5,260.28
  6. Step 6: Final answer
    x = 7,643.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.