Home / 5,411.91-7,469.09-3,424.48

Finding the Fourth Proportional to 5,411.91, 7,469.09 and 3,424.48

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Solution

The fourth proportional to 5,411.91, 7,469.09 and 3,424.48 is: 4,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.91 : 7,469.09 = 3,424.48 : x
  2. Step 2: Convert to fraction form
    5,411.91/7,469.09 = 3,424.48/x
  3. Step 3: Cross multiply
    5,411.91x = 7,469.09 × 3,424.48
  4. Step 4: Simplify right side
    5,411.91x = 25,577,749.32
  5. Step 5: Solve for x
    x = 25,577,749.32/5,411.91
  6. Step 6: Final answer
    x = 4,726.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.