Home / 10,351.31-15,529.39-2,955.87

Finding the Fourth Proportional to 10,351.31, 15,529.39 and 2,955.87

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Solution

The fourth proportional to 10,351.31, 15,529.39 and 2,955.87 is: 4,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.31 : 15,529.39 = 2,955.87 : x
  2. Step 2: Convert to fraction form
    10,351.31/15,529.39 = 2,955.87/x
  3. Step 3: Cross multiply
    10,351.31x = 15,529.39 × 2,955.87
  4. Step 4: Simplify right side
    10,351.31x = 45,902,850.63
  5. Step 5: Solve for x
    x = 45,902,850.63/10,351.31
  6. Step 6: Final answer
    x = 4,434.50

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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.