Home / 7,342.48-11,004.36-3,438.28

Finding the Fourth Proportional to 7,342.48, 11,004.36 and 3,438.28

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Solution

The fourth proportional to 7,342.48, 11,004.36 and 3,438.28 is: 5,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.48 : 11,004.36 = 3,438.28 : x
  2. Step 2: Convert to fraction form
    7,342.48/11,004.36 = 3,438.28/x
  3. Step 3: Cross multiply
    7,342.48x = 11,004.36 × 3,438.28
  4. Step 4: Simplify right side
    7,342.48x = 37,836,070.90
  5. Step 5: Solve for x
    x = 37,836,070.90/7,342.48
  6. Step 6: Final answer
    x = 5,153.04

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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.