Home / 7,037.31-9,711.99-3,893.43

Finding the Fourth Proportional to 7,037.31, 9,711.99 and 3,893.43

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Solution

The fourth proportional to 7,037.31, 9,711.99 and 3,893.43 is: 5,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.31 : 9,711.99 = 3,893.43 : x
  2. Step 2: Convert to fraction form
    7,037.31/9,711.99 = 3,893.43/x
  3. Step 3: Cross multiply
    7,037.31x = 9,711.99 × 3,893.43
  4. Step 4: Simplify right side
    7,037.31x = 37,812,953.23
  5. Step 5: Solve for x
    x = 37,812,953.23/7,037.31
  6. Step 6: Final answer
    x = 5,373.21

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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.