Home / 5,680.08-7,836.33-4,191.55

Finding the Fourth Proportional to 5,680.08, 7,836.33 and 4,191.55

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Solution

The fourth proportional to 5,680.08, 7,836.33 and 4,191.55 is: 5,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.08 : 7,836.33 = 4,191.55 : x
  2. Step 2: Convert to fraction form
    5,680.08/7,836.33 = 4,191.55/x
  3. Step 3: Cross multiply
    5,680.08x = 7,836.33 × 4,191.55
  4. Step 4: Simplify right side
    5,680.08x = 32,846,365.14
  5. Step 5: Solve for x
    x = 32,846,365.14/5,680.08
  6. Step 6: Final answer
    x = 5,782.73

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1.5x scale

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.