Home / 5,397.76-8,091.45-2,766.51

Finding the Fourth Proportional to 5,397.76, 8,091.45 and 2,766.51

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Solution

The fourth proportional to 5,397.76, 8,091.45 and 2,766.51 is: 4,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.76 : 8,091.45 = 2,766.51 : x
  2. Step 2: Convert to fraction form
    5,397.76/8,091.45 = 2,766.51/x
  3. Step 3: Cross multiply
    5,397.76x = 8,091.45 × 2,766.51
  4. Step 4: Simplify right side
    5,397.76x = 22,385,077.34
  5. Step 5: Solve for x
    x = 22,385,077.34/5,397.76
  6. Step 6: Final answer
    x = 4,147.10

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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.