Home / 5,448.54-8,174.28-1,553.28

Finding the Fourth Proportional to 5,448.54, 8,174.28 and 1,553.28

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Solution

The fourth proportional to 5,448.54, 8,174.28 and 1,553.28 is: 2,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.54 : 8,174.28 = 1,553.28 : x
  2. Step 2: Convert to fraction form
    5,448.54/8,174.28 = 1,553.28/x
  3. Step 3: Cross multiply
    5,448.54x = 8,174.28 × 1,553.28
  4. Step 4: Simplify right side
    5,448.54x = 12,696,945.64
  5. Step 5: Solve for x
    x = 12,696,945.64/5,448.54
  6. Step 6: Final answer
    x = 2,330.34

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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.