Home / 5,043.98-6,960.62-2,805.78

Finding the Fourth Proportional to 5,043.98, 6,960.62 and 2,805.78

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Solution

The fourth proportional to 5,043.98, 6,960.62 and 2,805.78 is: 3,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.98 : 6,960.62 = 2,805.78 : x
  2. Step 2: Convert to fraction form
    5,043.98/6,960.62 = 2,805.78/x
  3. Step 3: Cross multiply
    5,043.98x = 6,960.62 × 2,805.78
  4. Step 4: Simplify right side
    5,043.98x = 19,529,968.38
  5. Step 5: Solve for x
    x = 19,529,968.38/5,043.98
  6. Step 6: Final answer
    x = 3,871.94

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Half scale
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Double scale
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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.