Home / 5,633.48-8,456.70-3,456.20

Finding the Fourth Proportional to 5,633.48, 8,456.70 and 3,456.20

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Solution

The fourth proportional to 5,633.48, 8,456.70 and 3,456.20 is: 5,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.48 : 8,456.70 = 3,456.20 : x
  2. Step 2: Convert to fraction form
    5,633.48/8,456.70 = 3,456.20/x
  3. Step 3: Cross multiply
    5,633.48x = 8,456.70 × 3,456.20
  4. Step 4: Simplify right side
    5,633.48x = 29,228,046.54
  5. Step 5: Solve for x
    x = 29,228,046.54/5,633.48
  6. Step 6: Final answer
    x = 5,188.28

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1.5x scale

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.