Home / 5,218.38-7,157.27-4,935.96

Finding the Fourth Proportional to 5,218.38, 7,157.27 and 4,935.96

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Solution

The fourth proportional to 5,218.38, 7,157.27 and 4,935.96 is: 6,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.38 : 7,157.27 = 4,935.96 : x
  2. Step 2: Convert to fraction form
    5,218.38/7,157.27 = 4,935.96/x
  3. Step 3: Cross multiply
    5,218.38x = 7,157.27 × 4,935.96
  4. Step 4: Simplify right side
    5,218.38x = 35,328,010.77
  5. Step 5: Solve for x
    x = 35,328,010.77/5,218.38
  6. Step 6: Final answer
    x = 6,769.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.