Home / 3,927.03-5,418.14-3,552.81

Finding the Fourth Proportional to 3,927.03, 5,418.14 and 3,552.81

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Solution

The fourth proportional to 3,927.03, 5,418.14 and 3,552.81 is: 4,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.03 : 5,418.14 = 3,552.81 : x
  2. Step 2: Convert to fraction form
    3,927.03/5,418.14 = 3,552.81/x
  3. Step 3: Cross multiply
    3,927.03x = 5,418.14 × 3,552.81
  4. Step 4: Simplify right side
    3,927.03x = 19,249,604.21
  5. Step 5: Solve for x
    x = 19,249,604.21/3,927.03
  6. Step 6: Final answer
    x = 4,901.82

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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.