Home / 5,174.03-7,761.30-1,476.80

Finding the Fourth Proportional to 5,174.03, 7,761.30 and 1,476.80

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Solution

The fourth proportional to 5,174.03, 7,761.30 and 1,476.80 is: 2,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.03 : 7,761.30 = 1,476.80 : x
  2. Step 2: Convert to fraction form
    5,174.03/7,761.30 = 1,476.80/x
  3. Step 3: Cross multiply
    5,174.03x = 7,761.30 × 1,476.80
  4. Step 4: Simplify right side
    5,174.03x = 11,461,849.03
  5. Step 5: Solve for x
    x = 11,461,849.03/5,174.03
  6. Step 6: Final answer
    x = 2,215.27

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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.