Home / 7,631.75-10,531.68-4,274.53

Finding the Fourth Proportional to 7,631.75, 10,531.68 and 4,274.53

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Solution

The fourth proportional to 7,631.75, 10,531.68 and 4,274.53 is: 5,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.75 : 10,531.68 = 4,274.53 : x
  2. Step 2: Convert to fraction form
    7,631.75/10,531.68 = 4,274.53/x
  3. Step 3: Cross multiply
    7,631.75x = 10,531.68 × 4,274.53
  4. Step 4: Simplify right side
    7,631.75x = 45,017,982.11
  5. Step 5: Solve for x
    x = 45,017,982.11/7,631.75
  6. Step 6: Final answer
    x = 5,898.78

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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.