Home / 5,412.56-8,117.91-1,516.04

Finding the Fourth Proportional to 5,412.56, 8,117.91 and 1,516.04

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Solution

The fourth proportional to 5,412.56, 8,117.91 and 1,516.04 is: 2,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.56 : 8,117.91 = 1,516.04 : x
  2. Step 2: Convert to fraction form
    5,412.56/8,117.91 = 1,516.04/x
  3. Step 3: Cross multiply
    5,412.56x = 8,117.91 × 1,516.04
  4. Step 4: Simplify right side
    5,412.56x = 12,307,076.28
  5. Step 5: Solve for x
    x = 12,307,076.28/5,412.56
  6. Step 6: Final answer
    x = 2,273.80

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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.