Home / 7,629.49-11,445.29-3,470.54

Finding the Fourth Proportional to 7,629.49, 11,445.29 and 3,470.54

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Solution

The fourth proportional to 7,629.49, 11,445.29 and 3,470.54 is: 5,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.49 : 11,445.29 = 3,470.54 : x
  2. Step 2: Convert to fraction form
    7,629.49/11,445.29 = 3,470.54/x
  3. Step 3: Cross multiply
    7,629.49x = 11,445.29 × 3,470.54
  4. Step 4: Simplify right side
    7,629.49x = 39,721,336.76
  5. Step 5: Solve for x
    x = 39,721,336.76/7,629.49
  6. Step 6: Final answer
    x = 5,206.29

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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.