Home / 5,680.26-7,836.60-4,191.74

Finding the Fourth Proportional to 5,680.26, 7,836.60 and 4,191.74

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Solution

The fourth proportional to 5,680.26, 7,836.60 and 4,191.74 is: 5,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.26 : 7,836.60 = 4,191.74 : x
  2. Step 2: Convert to fraction form
    5,680.26/7,836.60 = 4,191.74/x
  3. Step 3: Cross multiply
    5,680.26x = 7,836.60 × 4,191.74
  4. Step 4: Simplify right side
    5,680.26x = 32,848,989.68
  5. Step 5: Solve for x
    x = 32,848,989.68/5,680.26
  6. Step 6: Final answer
    x = 5,783.01

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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.