Home / 7,704.29-10,631.91-4,167.49

Finding the Fourth Proportional to 7,704.29, 10,631.91 and 4,167.49

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Solution

The fourth proportional to 7,704.29, 10,631.91 and 4,167.49 is: 5,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.29 : 10,631.91 = 4,167.49 : x
  2. Step 2: Convert to fraction form
    7,704.29/10,631.91 = 4,167.49/x
  3. Step 3: Cross multiply
    7,704.29x = 10,631.91 × 4,167.49
  4. Step 4: Simplify right side
    7,704.29x = 44,308,364.15
  5. Step 5: Solve for x
    x = 44,308,364.15/7,704.29
  6. Step 6: Final answer
    x = 5,751.13

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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.