Home / 5,305.34-7,958.14-1,409.84

Finding the Fourth Proportional to 5,305.34, 7,958.14 and 1,409.84

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Solution

The fourth proportional to 5,305.34, 7,958.14 and 1,409.84 is: 2,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.34 : 7,958.14 = 1,409.84 : x
  2. Step 2: Convert to fraction form
    5,305.34/7,958.14 = 1,409.84/x
  3. Step 3: Cross multiply
    5,305.34x = 7,958.14 × 1,409.84
  4. Step 4: Simplify right side
    5,305.34x = 11,219,704.10
  5. Step 5: Solve for x
    x = 11,219,704.10/5,305.34
  6. Step 6: Final answer
    x = 2,114.79

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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.