Home / 3,459.96-4,774.84-1,968.12

Finding the Fourth Proportional to 3,459.96, 4,774.84 and 1,968.12

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Solution

The fourth proportional to 3,459.96, 4,774.84 and 1,968.12 is: 2,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.96 : 4,774.84 = 1,968.12 : x
  2. Step 2: Convert to fraction form
    3,459.96/4,774.84 = 1,968.12/x
  3. Step 3: Cross multiply
    3,459.96x = 4,774.84 × 1,968.12
  4. Step 4: Simplify right side
    3,459.96x = 9,397,453.18
  5. Step 5: Solve for x
    x = 9,397,453.18/3,459.96
  6. Step 6: Final answer
    x = 2,716.06

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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.