Home / 7,475.46-11,211.78-3,031.96

Finding the Fourth Proportional to 7,475.46, 11,211.78 and 3,031.96

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Solution

The fourth proportional to 7,475.46, 11,211.78 and 3,031.96 is: 4,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.46 : 11,211.78 = 3,031.96 : x
  2. Step 2: Convert to fraction form
    7,475.46/11,211.78 = 3,031.96/x
  3. Step 3: Cross multiply
    7,475.46x = 11,211.78 × 3,031.96
  4. Step 4: Simplify right side
    7,475.46x = 33,993,668.49
  5. Step 5: Solve for x
    x = 33,993,668.49/7,475.46
  6. Step 6: Final answer
    x = 4,547.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.