Home / 5,515.68-7,614.60-4,254

Finding the Fourth Proportional to 5,515.68, 7,614.60 and 4,254

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Solution

The fourth proportional to 5,515.68, 7,614.60 and 4,254 is: 5,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.68 : 7,614.60 = 4,254 : x
  2. Step 2: Convert to fraction form
    5,515.68/7,614.60 = 4,254/x
  3. Step 3: Cross multiply
    5,515.68x = 7,614.60 × 4,254
  4. Step 4: Simplify right side
    5,515.68x = 32,392,508.40
  5. Step 5: Solve for x
    x = 32,392,508.40/5,515.68
  6. Step 6: Final answer
    x = 5,872.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.