Home / 5,174.51-7,759.50-1,475.91

Finding the Fourth Proportional to 5,174.51, 7,759.50 and 1,475.91

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Solution

The fourth proportional to 5,174.51, 7,759.50 and 1,475.91 is: 2,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.51 : 7,759.50 = 1,475.91 : x
  2. Step 2: Convert to fraction form
    5,174.51/7,759.50 = 1,475.91/x
  3. Step 3: Cross multiply
    5,174.51x = 7,759.50 × 1,475.91
  4. Step 4: Simplify right side
    5,174.51x = 11,452,318.11
  5. Step 5: Solve for x
    x = 11,452,318.11/5,174.51
  6. Step 6: Final answer
    x = 2,213.22

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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.