Home / 3,715.30-5,127.64-2,299.44

Finding the Fourth Proportional to 3,715.30, 5,127.64 and 2,299.44

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Solution

The fourth proportional to 3,715.30, 5,127.64 and 2,299.44 is: 3,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.30 : 5,127.64 = 2,299.44 : x
  2. Step 2: Convert to fraction form
    3,715.30/5,127.64 = 2,299.44/x
  3. Step 3: Cross multiply
    3,715.30x = 5,127.64 × 2,299.44
  4. Step 4: Simplify right side
    3,715.30x = 11,790,699.58
  5. Step 5: Solve for x
    x = 11,790,699.58/3,715.30
  6. Step 6: Final answer
    x = 3,173.55

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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.