Home / 4,329.12-5,945.40-3,629.28

Finding the Fourth Proportional to 4,329.12, 5,945.40 and 3,629.28

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Solution

The fourth proportional to 4,329.12, 5,945.40 and 3,629.28 is: 4,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.12 : 5,945.40 = 3,629.28 : x
  2. Step 2: Convert to fraction form
    4,329.12/5,945.40 = 3,629.28/x
  3. Step 3: Cross multiply
    4,329.12x = 5,945.40 × 3,629.28
  4. Step 4: Simplify right side
    4,329.12x = 21,577,521.31
  5. Step 5: Solve for x
    x = 21,577,521.31/4,329.12
  6. Step 6: Final answer
    x = 4,984.27

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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.