Home / 4,958.06-6,842.28-2,720.12

Finding the Fourth Proportional to 4,958.06, 6,842.28 and 2,720.12

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Solution

The fourth proportional to 4,958.06, 6,842.28 and 2,720.12 is: 3,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.06 : 6,842.28 = 2,720.12 : x
  2. Step 2: Convert to fraction form
    4,958.06/6,842.28 = 2,720.12/x
  3. Step 3: Cross multiply
    4,958.06x = 6,842.28 × 2,720.12
  4. Step 4: Simplify right side
    4,958.06x = 18,611,788.46
  5. Step 5: Solve for x
    x = 18,611,788.46/4,958.06
  6. Step 6: Final answer
    x = 3,753.85

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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.