Home / 5,174.46-7,141.50-2,936.90

Finding the Fourth Proportional to 5,174.46, 7,141.50 and 2,936.90

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Solution

The fourth proportional to 5,174.46, 7,141.50 and 2,936.90 is: 4,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.46 : 7,141.50 = 2,936.90 : x
  2. Step 2: Convert to fraction form
    5,174.46/7,141.50 = 2,936.90/x
  3. Step 3: Cross multiply
    5,174.46x = 7,141.50 × 2,936.90
  4. Step 4: Simplify right side
    5,174.46x = 20,973,889.20
  5. Step 5: Solve for x
    x = 20,973,889.20/5,174.46
  6. Step 6: Final answer
    x = 4,053.35

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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.