Home / 5,374.84-8,062.20-1,479.24

Finding the Fourth Proportional to 5,374.84, 8,062.20 and 1,479.24

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Solution

The fourth proportional to 5,374.84, 8,062.20 and 1,479.24 is: 2,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.84 : 8,062.20 = 1,479.24 : x
  2. Step 2: Convert to fraction form
    5,374.84/8,062.20 = 1,479.24/x
  3. Step 3: Cross multiply
    5,374.84x = 8,062.20 × 1,479.24
  4. Step 4: Simplify right side
    5,374.84x = 11,925,928.73
  5. Step 5: Solve for x
    x = 11,925,928.73/5,374.84
  6. Step 6: Final answer
    x = 2,218.84

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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.