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Finding the Fourth Proportional to 2,335.62, 3,223.15 and 1,340.74

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Solution

The fourth proportional to 2,335.62, 3,223.15 and 1,340.74 is: 1,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.62 : 3,223.15 = 1,340.74 : x
  2. Step 2: Convert to fraction form
    2,335.62/3,223.15 = 1,340.74/x
  3. Step 3: Cross multiply
    2,335.62x = 3,223.15 × 1,340.74
  4. Step 4: Simplify right side
    2,335.62x = 4,321,406.13
  5. Step 5: Solve for x
    x = 4,321,406.13/2,335.62
  6. Step 6: Final answer
    x = 1,850.22

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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.