Home / 7,276.48-10,912.52-3,581.36

Finding the Fourth Proportional to 7,276.48, 10,912.52 and 3,581.36

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Solution

The fourth proportional to 7,276.48, 10,912.52 and 3,581.36 is: 5,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.48 : 10,912.52 = 3,581.36 : x
  2. Step 2: Convert to fraction form
    7,276.48/10,912.52 = 3,581.36/x
  3. Step 3: Cross multiply
    7,276.48x = 10,912.52 × 3,581.36
  4. Step 4: Simplify right side
    7,276.48x = 39,081,719.32
  5. Step 5: Solve for x
    x = 39,081,719.32/7,276.48
  6. Step 6: Final answer
    x = 5,370.96

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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.