Home / 5,306.31-7,958.79-1,410.48

Finding the Fourth Proportional to 5,306.31, 7,958.79 and 1,410.48

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Solution

The fourth proportional to 5,306.31, 7,958.79 and 1,410.48 is: 2,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.31 : 7,958.79 = 1,410.48 : x
  2. Step 2: Convert to fraction form
    5,306.31/7,958.79 = 1,410.48/x
  3. Step 3: Cross multiply
    5,306.31x = 7,958.79 × 1,410.48
  4. Step 4: Simplify right side
    5,306.31x = 11,225,714.12
  5. Step 5: Solve for x
    x = 11,225,714.12/5,306.31
  6. Step 6: Final answer
    x = 2,115.54

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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.