Home / 5,117.11-7,054.10-3,620.41

Finding the Fourth Proportional to 5,117.11, 7,054.10 and 3,620.41

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Solution

The fourth proportional to 5,117.11, 7,054.10 and 3,620.41 is: 4,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.11 : 7,054.10 = 3,620.41 : x
  2. Step 2: Convert to fraction form
    5,117.11/7,054.10 = 3,620.41/x
  3. Step 3: Cross multiply
    5,117.11x = 7,054.10 × 3,620.41
  4. Step 4: Simplify right side
    5,117.11x = 25,538,716.08
  5. Step 5: Solve for x
    x = 25,538,716.08/5,117.11
  6. Step 6: Final answer
    x = 4,990.85

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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.