Home / 5,680.91-8,513.49-4,293.11

Finding the Fourth Proportional to 5,680.91, 8,513.49 and 4,293.11

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Solution

The fourth proportional to 5,680.91, 8,513.49 and 4,293.11 is: 6,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.91 : 8,513.49 = 4,293.11 : x
  2. Step 2: Convert to fraction form
    5,680.91/8,513.49 = 4,293.11/x
  3. Step 3: Cross multiply
    5,680.91x = 8,513.49 × 4,293.11
  4. Step 4: Simplify right side
    5,680.91x = 36,549,349.05
  5. Step 5: Solve for x
    x = 36,549,349.05/5,680.91
  6. Step 6: Final answer
    x = 6,433.71

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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.