Home / 3,933.77-5,428.49-2,342.25

Finding the Fourth Proportional to 3,933.77, 5,428.49 and 2,342.25

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Solution

The fourth proportional to 3,933.77, 5,428.49 and 2,342.25 is: 3,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.77 : 5,428.49 = 2,342.25 : x
  2. Step 2: Convert to fraction form
    3,933.77/5,428.49 = 2,342.25/x
  3. Step 3: Cross multiply
    3,933.77x = 5,428.49 × 2,342.25
  4. Step 4: Simplify right side
    3,933.77x = 12,714,868.99
  5. Step 5: Solve for x
    x = 12,714,868.99/3,933.77
  6. Step 6: Final answer
    x = 3,232.24

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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.