Home / 7,020.69-10,531.05-1,826.56

Finding the Fourth Proportional to 7,020.69, 10,531.05 and 1,826.56

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Solution

The fourth proportional to 7,020.69, 10,531.05 and 1,826.56 is: 2,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.69 : 10,531.05 = 1,826.56 : x
  2. Step 2: Convert to fraction form
    7,020.69/10,531.05 = 1,826.56/x
  3. Step 3: Cross multiply
    7,020.69x = 10,531.05 × 1,826.56
  4. Step 4: Simplify right side
    7,020.69x = 19,235,594.69
  5. Step 5: Solve for x
    x = 19,235,594.69/7,020.69
  6. Step 6: Final answer
    x = 2,739.84

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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.