Home / 2,416.13-3,334.20-1,422.09

Finding the Fourth Proportional to 2,416.13, 3,334.20 and 1,422.09

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Solution

The fourth proportional to 2,416.13, 3,334.20 and 1,422.09 is: 1,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.13 : 3,334.20 = 1,422.09 : x
  2. Step 2: Convert to fraction form
    2,416.13/3,334.20 = 1,422.09/x
  3. Step 3: Cross multiply
    2,416.13x = 3,334.20 × 1,422.09
  4. Step 4: Simplify right side
    2,416.13x = 4,741,527.15
  5. Step 5: Solve for x
    x = 4,741,527.15/2,416.13
  6. Step 6: Final answer
    x = 1,962.45

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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.