Home / 3,699.28-5,104.44-2,127.12

Finding the Fourth Proportional to 3,699.28, 5,104.44 and 2,127.12

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Solution

The fourth proportional to 3,699.28, 5,104.44 and 2,127.12 is: 2,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.28 : 5,104.44 = 2,127.12 : x
  2. Step 2: Convert to fraction form
    3,699.28/5,104.44 = 2,127.12/x
  3. Step 3: Cross multiply
    3,699.28x = 5,104.44 × 2,127.12
  4. Step 4: Simplify right side
    3,699.28x = 10,857,756.41
  5. Step 5: Solve for x
    x = 10,857,756.41/3,699.28
  6. Step 6: Final answer
    x = 2,935.10

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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.