Home / 4,111.64-5,674.38-3,403.28

Finding the Fourth Proportional to 4,111.64, 5,674.38 and 3,403.28

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Solution

The fourth proportional to 4,111.64, 5,674.38 and 3,403.28 is: 4,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.64 : 5,674.38 = 3,403.28 : x
  2. Step 2: Convert to fraction form
    4,111.64/5,674.38 = 3,403.28/x
  3. Step 3: Cross multiply
    4,111.64x = 5,674.38 × 3,403.28
  4. Step 4: Simplify right side
    4,111.64x = 19,311,503.97
  5. Step 5: Solve for x
    x = 19,311,503.97/4,111.64
  6. Step 6: Final answer
    x = 4,696.79

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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.