Home / 7,175.75-9,903.05-4,031.94

Finding the Fourth Proportional to 7,175.75, 9,903.05 and 4,031.94

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Solution

The fourth proportional to 7,175.75, 9,903.05 and 4,031.94 is: 5,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.75 : 9,903.05 = 4,031.94 : x
  2. Step 2: Convert to fraction form
    7,175.75/9,903.05 = 4,031.94/x
  3. Step 3: Cross multiply
    7,175.75x = 9,903.05 × 4,031.94
  4. Step 4: Simplify right side
    7,175.75x = 39,928,503.42
  5. Step 5: Solve for x
    x = 39,928,503.42/7,175.75
  6. Step 6: Final answer
    x = 5,564.37

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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.