Home / 5,268.50-7,270.30-2,910.58

Finding the Fourth Proportional to 5,268.50, 7,270.30 and 2,910.58

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Solution

The fourth proportional to 5,268.50, 7,270.30 and 2,910.58 is: 4,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.50 : 7,270.30 = 2,910.58 : x
  2. Step 2: Convert to fraction form
    5,268.50/7,270.30 = 2,910.58/x
  3. Step 3: Cross multiply
    5,268.50x = 7,270.30 × 2,910.58
  4. Step 4: Simplify right side
    5,268.50x = 21,160,789.77
  5. Step 5: Solve for x
    x = 21,160,789.77/5,268.50
  6. Step 6: Final answer
    x = 4,016.47

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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.