Home / 7,712.15-10,642.74-4,175.34

Finding the Fourth Proportional to 7,712.15, 10,642.74 and 4,175.34

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Solution

The fourth proportional to 7,712.15, 10,642.74 and 4,175.34 is: 5,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.15 : 10,642.74 = 4,175.34 : x
  2. Step 2: Convert to fraction form
    7,712.15/10,642.74 = 4,175.34/x
  3. Step 3: Cross multiply
    7,712.15x = 10,642.74 × 4,175.34
  4. Step 4: Simplify right side
    7,712.15x = 44,437,058.03
  5. Step 5: Solve for x
    x = 44,437,058.03/7,712.15
  6. Step 6: Final answer
    x = 5,761.95

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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.