Home / 3,699.68-5,103.14-2,371.28

Finding the Fourth Proportional to 3,699.68, 5,103.14 and 2,371.28

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Solution

The fourth proportional to 3,699.68, 5,103.14 and 2,371.28 is: 3,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.68 : 5,103.14 = 2,371.28 : x
  2. Step 2: Convert to fraction form
    3,699.68/5,103.14 = 2,371.28/x
  3. Step 3: Cross multiply
    3,699.68x = 5,103.14 × 2,371.28
  4. Step 4: Simplify right side
    3,699.68x = 12,100,973.82
  5. Step 5: Solve for x
    x = 12,100,973.82/3,699.68
  6. Step 6: Final answer
    x = 3,270.82

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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.