Home / 5,409.13-7,464.97-3,019.57

Finding the Fourth Proportional to 5,409.13, 7,464.97 and 3,019.57

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Solution

The fourth proportional to 5,409.13, 7,464.97 and 3,019.57 is: 4,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.13 : 7,464.97 = 3,019.57 : x
  2. Step 2: Convert to fraction form
    5,409.13/7,464.97 = 3,019.57/x
  3. Step 3: Cross multiply
    5,409.13x = 7,464.97 × 3,019.57
  4. Step 4: Simplify right side
    5,409.13x = 22,540,992.39
  5. Step 5: Solve for x
    x = 22,540,992.39/5,409.13
  6. Step 6: Final answer
    x = 4,167.22

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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.