Home / 5,374.38-8,061.84-1,479.08

Finding the Fourth Proportional to 5,374.38, 8,061.84 and 1,479.08

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Solution

The fourth proportional to 5,374.38, 8,061.84 and 1,479.08 is: 2,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.38 : 8,061.84 = 1,479.08 : x
  2. Step 2: Convert to fraction form
    5,374.38/8,061.84 = 1,479.08/x
  3. Step 3: Cross multiply
    5,374.38x = 8,061.84 × 1,479.08
  4. Step 4: Simplify right side
    5,374.38x = 11,924,106.31
  5. Step 5: Solve for x
    x = 11,924,106.31/5,374.38
  6. Step 6: Final answer
    x = 2,218.69

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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.