Home / 5,553.91-7,664.49-3,315.35

Finding the Fourth Proportional to 5,553.91, 7,664.49 and 3,315.35

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Solution

The fourth proportional to 5,553.91, 7,664.49 and 3,315.35 is: 4,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.91 : 7,664.49 = 3,315.35 : x
  2. Step 2: Convert to fraction form
    5,553.91/7,664.49 = 3,315.35/x
  3. Step 3: Cross multiply
    5,553.91x = 7,664.49 × 3,315.35
  4. Step 4: Simplify right side
    5,553.91x = 25,410,466.92
  5. Step 5: Solve for x
    x = 25,410,466.92/5,553.91
  6. Step 6: Final answer
    x = 4,575.24

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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.