Home / 3,908.32-5,394.72-2,416.48

Finding the Fourth Proportional to 3,908.32, 5,394.72 and 2,416.48

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Solution

The fourth proportional to 3,908.32, 5,394.72 and 2,416.48 is: 3,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.32 : 5,394.72 = 2,416.48 : x
  2. Step 2: Convert to fraction form
    3,908.32/5,394.72 = 2,416.48/x
  3. Step 3: Cross multiply
    3,908.32x = 5,394.72 × 2,416.48
  4. Step 4: Simplify right side
    3,908.32x = 13,036,232.99
  5. Step 5: Solve for x
    x = 13,036,232.99/3,908.32
  6. Step 6: Final answer
    x = 3,335.51

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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.