Home / 4,958.45-6,842.75-2,720.19

Finding the Fourth Proportional to 4,958.45, 6,842.75 and 2,720.19

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Solution

The fourth proportional to 4,958.45, 6,842.75 and 2,720.19 is: 3,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.45 : 6,842.75 = 2,720.19 : x
  2. Step 2: Convert to fraction form
    4,958.45/6,842.75 = 2,720.19/x
  3. Step 3: Cross multiply
    4,958.45x = 6,842.75 × 2,720.19
  4. Step 4: Simplify right side
    4,958.45x = 18,613,580.12
  5. Step 5: Solve for x
    x = 18,613,580.12/4,958.45
  6. Step 6: Final answer
    x = 3,753.91

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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.