Home / 5,201.98-7,178.72-2,963.85

Finding the Fourth Proportional to 5,201.98, 7,178.72 and 2,963.85

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Solution

The fourth proportional to 5,201.98, 7,178.72 and 2,963.85 is: 4,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.98 : 7,178.72 = 2,963.85 : x
  2. Step 2: Convert to fraction form
    5,201.98/7,178.72 = 2,963.85/x
  3. Step 3: Cross multiply
    5,201.98x = 7,178.72 × 2,963.85
  4. Step 4: Simplify right side
    5,201.98x = 21,276,649.27
  5. Step 5: Solve for x
    x = 21,276,649.27/5,201.98
  6. Step 6: Final answer
    x = 4,090.11

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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.