Home / 5,475.82-7,556.66-3,117.96

Finding the Fourth Proportional to 5,475.82, 7,556.66 and 3,117.96

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Solution

The fourth proportional to 5,475.82, 7,556.66 and 3,117.96 is: 4,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.82 : 7,556.66 = 3,117.96 : x
  2. Step 2: Convert to fraction form
    5,475.82/7,556.66 = 3,117.96/x
  3. Step 3: Cross multiply
    5,475.82x = 7,556.66 × 3,117.96
  4. Step 4: Simplify right side
    5,475.82x = 23,561,363.61
  5. Step 5: Solve for x
    x = 23,561,363.61/5,475.82
  6. Step 6: Final answer
    x = 4,302.80

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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.