Home / 2,962.12-4,087.66-1,617.68

Finding the Fourth Proportional to 2,962.12, 4,087.66 and 1,617.68

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Solution

The fourth proportional to 2,962.12, 4,087.66 and 1,617.68 is: 2,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.12 : 4,087.66 = 1,617.68 : x
  2. Step 2: Convert to fraction form
    2,962.12/4,087.66 = 1,617.68/x
  3. Step 3: Cross multiply
    2,962.12x = 4,087.66 × 1,617.68
  4. Step 4: Simplify right side
    2,962.12x = 6,612,532.00
  5. Step 5: Solve for x
    x = 6,612,532.00/2,962.12
  6. Step 6: Final answer
    x = 2,232.37

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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.