Home / 4,115.16-6,172.80-1,341.81

Finding the Fourth Proportional to 4,115.16, 6,172.80 and 1,341.81

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Solution

The fourth proportional to 4,115.16, 6,172.80 and 1,341.81 is: 2,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.16 : 6,172.80 = 1,341.81 : x
  2. Step 2: Convert to fraction form
    4,115.16/6,172.80 = 1,341.81/x
  3. Step 3: Cross multiply
    4,115.16x = 6,172.80 × 1,341.81
  4. Step 4: Simplify right side
    4,115.16x = 8,282,724.77
  5. Step 5: Solve for x
    x = 8,282,724.77/4,115.16
  6. Step 6: Final answer
    x = 2,012.73

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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.