Home / 7,516.76-10,372.91-4,159.49

Finding the Fourth Proportional to 7,516.76, 10,372.91 and 4,159.49

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Solution

The fourth proportional to 7,516.76, 10,372.91 and 4,159.49 is: 5,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.76 : 10,372.91 = 4,159.49 : x
  2. Step 2: Convert to fraction form
    7,516.76/10,372.91 = 4,159.49/x
  3. Step 3: Cross multiply
    7,516.76x = 10,372.91 × 4,159.49
  4. Step 4: Simplify right side
    7,516.76x = 43,145,942.75
  5. Step 5: Solve for x
    x = 43,145,942.75/7,516.76
  6. Step 6: Final answer
    x = 5,739.97

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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.