Home / 5,174.20-7,760.12-1,476.34

Finding the Fourth Proportional to 5,174.20, 7,760.12 and 1,476.34

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Solution

The fourth proportional to 5,174.20, 7,760.12 and 1,476.34 is: 2,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.20 : 7,760.12 = 1,476.34 : x
  2. Step 2: Convert to fraction form
    5,174.20/7,760.12 = 1,476.34/x
  3. Step 3: Cross multiply
    5,174.20x = 7,760.12 × 1,476.34
  4. Step 4: Simplify right side
    5,174.20x = 11,456,575.56
  5. Step 5: Solve for x
    x = 11,456,575.56/5,174.20
  6. Step 6: Final answer
    x = 2,214.17

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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.