Home / 3,091.68-4,263.24-2,207.16

Finding the Fourth Proportional to 3,091.68, 4,263.24 and 2,207.16

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Solution

The fourth proportional to 3,091.68, 4,263.24 and 2,207.16 is: 3,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.68 : 4,263.24 = 2,207.16 : x
  2. Step 2: Convert to fraction form
    3,091.68/4,263.24 = 2,207.16/x
  3. Step 3: Cross multiply
    3,091.68x = 4,263.24 × 2,207.16
  4. Step 4: Simplify right side
    3,091.68x = 9,409,652.80
  5. Step 5: Solve for x
    x = 9,409,652.80/3,091.68
  6. Step 6: Final answer
    x = 3,043.54

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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.