Home / 5,146.60-7,103.67-3,553.51

Finding the Fourth Proportional to 5,146.60, 7,103.67 and 3,553.51

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Solution

The fourth proportional to 5,146.60, 7,103.67 and 3,553.51 is: 4,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.60 : 7,103.67 = 3,553.51 : x
  2. Step 2: Convert to fraction form
    5,146.60/7,103.67 = 3,553.51/x
  3. Step 3: Cross multiply
    5,146.60x = 7,103.67 × 3,553.51
  4. Step 4: Simplify right side
    5,146.60x = 25,242,944.61
  5. Step 5: Solve for x
    x = 25,242,944.61/5,146.60
  6. Step 6: Final answer
    x = 4,904.78

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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.