Home / 5,351.82-7,390.89-3,677.46

Finding the Fourth Proportional to 5,351.82, 7,390.89 and 3,677.46

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Solution

The fourth proportional to 5,351.82, 7,390.89 and 3,677.46 is: 5,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.82 : 7,390.89 = 3,677.46 : x
  2. Step 2: Convert to fraction form
    5,351.82/7,390.89 = 3,677.46/x
  3. Step 3: Cross multiply
    5,351.82x = 7,390.89 × 3,677.46
  4. Step 4: Simplify right side
    5,351.82x = 27,179,702.34
  5. Step 5: Solve for x
    x = 27,179,702.34/5,351.82
  6. Step 6: Final answer
    x = 5,078.59

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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.