Home / 7,712.09-10,642.67-4,175.30

Finding the Fourth Proportional to 7,712.09, 10,642.67 and 4,175.30

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Solution

The fourth proportional to 7,712.09, 10,642.67 and 4,175.30 is: 5,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.09 : 10,642.67 = 4,175.30 : x
  2. Step 2: Convert to fraction form
    7,712.09/10,642.67 = 4,175.30/x
  3. Step 3: Cross multiply
    7,712.09x = 10,642.67 × 4,175.30
  4. Step 4: Simplify right side
    7,712.09x = 44,436,340.05
  5. Step 5: Solve for x
    x = 44,436,340.05/7,712.09
  6. Step 6: Final answer
    x = 5,761.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.