Home / 3,695.36-5,078.14-3,073.28

Finding the Fourth Proportional to 3,695.36, 5,078.14 and 3,073.28

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Solution

The fourth proportional to 3,695.36, 5,078.14 and 3,073.28 is: 4,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.36 : 5,078.14 = 3,073.28 : x
  2. Step 2: Convert to fraction form
    3,695.36/5,078.14 = 3,073.28/x
  3. Step 3: Cross multiply
    3,695.36x = 5,078.14 × 3,073.28
  4. Step 4: Simplify right side
    3,695.36x = 15,606,546.10
  5. Step 5: Solve for x
    x = 15,606,546.10/3,695.36
  6. Step 6: Final answer
    x = 4,223.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.