Home / 3,553.56-4,904.01-1,981.76

Finding the Fourth Proportional to 3,553.56, 4,904.01 and 1,981.76

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Solution

The fourth proportional to 3,553.56, 4,904.01 and 1,981.76 is: 2,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.56 : 4,904.01 = 1,981.76 : x
  2. Step 2: Convert to fraction form
    3,553.56/4,904.01 = 1,981.76/x
  3. Step 3: Cross multiply
    3,553.56x = 4,904.01 × 1,981.76
  4. Step 4: Simplify right side
    3,553.56x = 9,718,546.34
  5. Step 5: Solve for x
    x = 9,718,546.34/3,553.56
  6. Step 6: Final answer
    x = 2,734.88

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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.