Home / 7,091.42-10,615.25-4,620.92

Finding the Fourth Proportional to 7,091.42, 10,615.25 and 4,620.92

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Solution

The fourth proportional to 7,091.42, 10,615.25 and 4,620.92 is: 6,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.42 : 10,615.25 = 4,620.92 : x
  2. Step 2: Convert to fraction form
    7,091.42/10,615.25 = 4,620.92/x
  3. Step 3: Cross multiply
    7,091.42x = 10,615.25 × 4,620.92
  4. Step 4: Simplify right side
    7,091.42x = 49,052,179.51
  5. Step 5: Solve for x
    x = 49,052,179.51/7,091.42
  6. Step 6: Final answer
    x = 6,917.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.