Home / 7,626.45-11,437.81-2,079.82

Finding the Fourth Proportional to 7,626.45, 11,437.81 and 2,079.82

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Solution

The fourth proportional to 7,626.45, 11,437.81 and 2,079.82 is: 3,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.45 : 11,437.81 = 2,079.82 : x
  2. Step 2: Convert to fraction form
    7,626.45/11,437.81 = 2,079.82/x
  3. Step 3: Cross multiply
    7,626.45x = 11,437.81 × 2,079.82
  4. Step 4: Simplify right side
    7,626.45x = 23,788,552.20
  5. Step 5: Solve for x
    x = 23,788,552.20/7,626.45
  6. Step 6: Final answer
    x = 3,119.22

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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.