Home / 5,374.26-8,061.60-1,479

Finding the Fourth Proportional to 5,374.26, 8,061.60 and 1,479

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Solution

The fourth proportional to 5,374.26, 8,061.60 and 1,479 is: 2,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.26 : 8,061.60 = 1,479 : x
  2. Step 2: Convert to fraction form
    5,374.26/8,061.60 = 1,479/x
  3. Step 3: Cross multiply
    5,374.26x = 8,061.60 × 1,479
  4. Step 4: Simplify right side
    5,374.26x = 11,923,106.40
  5. Step 5: Solve for x
    x = 11,923,106.40/5,374.26
  6. Step 6: Final answer
    x = 2,218.56

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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.