Home / 3,619.51-4,996.11-2,127.39

Finding the Fourth Proportional to 3,619.51, 4,996.11 and 2,127.39

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Solution

The fourth proportional to 3,619.51, 4,996.11 and 2,127.39 is: 2,936.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.51 : 4,996.11 = 2,127.39 : x
  2. Step 2: Convert to fraction form
    3,619.51/4,996.11 = 2,127.39/x
  3. Step 3: Cross multiply
    3,619.51x = 4,996.11 × 2,127.39
  4. Step 4: Simplify right side
    3,619.51x = 10,628,663.82
  5. Step 5: Solve for x
    x = 10,628,663.82/3,619.51
  6. Step 6: Final answer
    x = 2,936.49

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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.