Home / 5,074.07-7,610.08-1,376.56

Finding the Fourth Proportional to 5,074.07, 7,610.08 and 1,376.56

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Solution

The fourth proportional to 5,074.07, 7,610.08 and 1,376.56 is: 2,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.07 : 7,610.08 = 1,376.56 : x
  2. Step 2: Convert to fraction form
    5,074.07/7,610.08 = 1,376.56/x
  3. Step 3: Cross multiply
    5,074.07x = 7,610.08 × 1,376.56
  4. Step 4: Simplify right side
    5,074.07x = 10,475,704.40
  5. Step 5: Solve for x
    x = 10,475,704.40/5,074.07
  6. Step 6: Final answer
    x = 2,064.56

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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.