Home / 7,007.70-10,511.50-2,077.36

Finding the Fourth Proportional to 7,007.70, 10,511.50 and 2,077.36

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Solution

The fourth proportional to 7,007.70, 10,511.50 and 2,077.36 is: 3,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.70 : 10,511.50 = 2,077.36 : x
  2. Step 2: Convert to fraction form
    7,007.70/10,511.50 = 2,077.36/x
  3. Step 3: Cross multiply
    7,007.70x = 10,511.50 × 2,077.36
  4. Step 4: Simplify right side
    7,007.70x = 21,836,169.64
  5. Step 5: Solve for x
    x = 21,836,169.64/7,007.70
  6. Step 6: Final answer
    x = 3,116.03

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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.