Home / 7,081.87-10,624.35-3,379.01

Finding the Fourth Proportional to 7,081.87, 10,624.35 and 3,379.01

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Solution

The fourth proportional to 7,081.87, 10,624.35 and 3,379.01 is: 5,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.87 : 10,624.35 = 3,379.01 : x
  2. Step 2: Convert to fraction form
    7,081.87/10,624.35 = 3,379.01/x
  3. Step 3: Cross multiply
    7,081.87x = 10,624.35 × 3,379.01
  4. Step 4: Simplify right side
    7,081.87x = 35,899,731.77
  5. Step 5: Solve for x
    x = 35,899,731.77/7,081.87
  6. Step 6: Final answer
    x = 5,069.25

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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.