Home / 3,457.87-4,772.14-1,966.25

Finding the Fourth Proportional to 3,457.87, 4,772.14 and 1,966.25

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Solution

The fourth proportional to 3,457.87, 4,772.14 and 1,966.25 is: 2,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.87 : 4,772.14 = 1,966.25 : x
  2. Step 2: Convert to fraction form
    3,457.87/4,772.14 = 1,966.25/x
  3. Step 3: Cross multiply
    3,457.87x = 4,772.14 × 1,966.25
  4. Step 4: Simplify right side
    3,457.87x = 9,383,210.44
  5. Step 5: Solve for x
    x = 9,383,210.44/3,457.87
  6. Step 6: Final answer
    x = 2,713.58

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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.