Home / 5,162.45-7,125.32-3,394.22

Finding the Fourth Proportional to 5,162.45, 7,125.32 and 3,394.22

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Solution

The fourth proportional to 5,162.45, 7,125.32 and 3,394.22 is: 4,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.45 : 7,125.32 = 3,394.22 : x
  2. Step 2: Convert to fraction form
    5,162.45/7,125.32 = 3,394.22/x
  3. Step 3: Cross multiply
    5,162.45x = 7,125.32 × 3,394.22
  4. Step 4: Simplify right side
    5,162.45x = 24,184,886.68
  5. Step 5: Solve for x
    x = 24,184,886.68/5,162.45
  6. Step 6: Final answer
    x = 4,684.77

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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.