Home / 4,958.56-7,434.96-2,648.80

Finding the Fourth Proportional to 4,958.56, 7,434.96 and 2,648.80

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Solution

The fourth proportional to 4,958.56, 7,434.96 and 2,648.80 is: 3,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.56 : 7,434.96 = 2,648.80 : x
  2. Step 2: Convert to fraction form
    4,958.56/7,434.96 = 2,648.80/x
  3. Step 3: Cross multiply
    4,958.56x = 7,434.96 × 2,648.80
  4. Step 4: Simplify right side
    4,958.56x = 19,693,722.05
  5. Step 5: Solve for x
    x = 19,693,722.05/4,958.56
  6. Step 6: Final answer
    x = 3,971.66

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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.