Home / 7,372.76-10,175.45-4,228.97

Finding the Fourth Proportional to 7,372.76, 10,175.45 and 4,228.97

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Solution

The fourth proportional to 7,372.76, 10,175.45 and 4,228.97 is: 5,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.76 : 10,175.45 = 4,228.97 : x
  2. Step 2: Convert to fraction form
    7,372.76/10,175.45 = 4,228.97/x
  3. Step 3: Cross multiply
    7,372.76x = 10,175.45 × 4,228.97
  4. Step 4: Simplify right side
    7,372.76x = 43,031,600.76
  5. Step 5: Solve for x
    x = 43,031,600.76/7,372.76
  6. Step 6: Final answer
    x = 5,836.57

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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.