Home / 7,704.06-10,631.60-4,167.28

Finding the Fourth Proportional to 7,704.06, 10,631.60 and 4,167.28

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Solution

The fourth proportional to 7,704.06, 10,631.60 and 4,167.28 is: 5,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.06 : 10,631.60 = 4,167.28 : x
  2. Step 2: Convert to fraction form
    7,704.06/10,631.60 = 4,167.28/x
  3. Step 3: Cross multiply
    7,704.06x = 10,631.60 × 4,167.28
  4. Step 4: Simplify right side
    7,704.06x = 44,304,854.05
  5. Step 5: Solve for x
    x = 44,304,854.05/7,704.06
  6. Step 6: Final answer
    x = 5,750.84

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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.