Home / 5,268.13-7,270.43-2,910.69

Finding the Fourth Proportional to 5,268.13, 7,270.43 and 2,910.69

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Solution

The fourth proportional to 5,268.13, 7,270.43 and 2,910.69 is: 4,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.13 : 7,270.43 = 2,910.69 : x
  2. Step 2: Convert to fraction form
    5,268.13/7,270.43 = 2,910.69/x
  3. Step 3: Cross multiply
    5,268.13x = 7,270.43 × 2,910.69
  4. Step 4: Simplify right side
    5,268.13x = 21,161,953.34
  5. Step 5: Solve for x
    x = 21,161,953.34/5,268.13
  6. Step 6: Final answer
    x = 4,016.98

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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.