Home / 2,958.32-4,081.08-2,622.56

Finding the Fourth Proportional to 2,958.32, 4,081.08 and 2,622.56

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Solution

The fourth proportional to 2,958.32, 4,081.08 and 2,622.56 is: 3,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.32 : 4,081.08 = 2,622.56 : x
  2. Step 2: Convert to fraction form
    2,958.32/4,081.08 = 2,622.56/x
  3. Step 3: Cross multiply
    2,958.32x = 4,081.08 × 2,622.56
  4. Step 4: Simplify right side
    2,958.32x = 10,702,877.16
  5. Step 5: Solve for x
    x = 10,702,877.16/2,958.32
  6. Step 6: Final answer
    x = 3,617.89

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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.