Home / 2,382.22-3,287.58-1,334.29

Finding the Fourth Proportional to 2,382.22, 3,287.58 and 1,334.29

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Solution

The fourth proportional to 2,382.22, 3,287.58 and 1,334.29 is: 1,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.22 : 3,287.58 = 1,334.29 : x
  2. Step 2: Convert to fraction form
    2,382.22/3,287.58 = 1,334.29/x
  3. Step 3: Cross multiply
    2,382.22x = 3,287.58 × 1,334.29
  4. Step 4: Simplify right side
    2,382.22x = 4,386,585.12
  5. Step 5: Solve for x
    x = 4,386,585.12/2,382.22
  6. Step 6: Final answer
    x = 1,841.39

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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.