Home / 5,680.22-8,520.36-1,784.94

Finding the Fourth Proportional to 5,680.22, 8,520.36 and 1,784.94

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Solution

The fourth proportional to 5,680.22, 8,520.36 and 1,784.94 is: 2,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.22 : 8,520.36 = 1,784.94 : x
  2. Step 2: Convert to fraction form
    5,680.22/8,520.36 = 1,784.94/x
  3. Step 3: Cross multiply
    5,680.22x = 8,520.36 × 1,784.94
  4. Step 4: Simplify right side
    5,680.22x = 15,208,331.38
  5. Step 5: Solve for x
    x = 15,208,331.38/5,680.22
  6. Step 6: Final answer
    x = 2,677.42

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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.