Home / 7,702.82-11,553.96-2,771.36

Finding the Fourth Proportional to 7,702.82, 11,553.96 and 2,771.36

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Solution

The fourth proportional to 7,702.82, 11,553.96 and 2,771.36 is: 4,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,702.82 : 11,553.96 = 2,771.36 : x
  2. Step 2: Convert to fraction form
    7,702.82/11,553.96 = 2,771.36/x
  3. Step 3: Cross multiply
    7,702.82x = 11,553.96 × 2,771.36
  4. Step 4: Simplify right side
    7,702.82x = 32,020,182.59
  5. Step 5: Solve for x
    x = 32,020,182.59/7,702.82
  6. Step 6: Final answer
    x = 4,156.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.