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Finding the Fourth Proportional to 2,400.70, 3,310.23 and 1,957.22

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Solution

The fourth proportional to 2,400.70, 3,310.23 and 1,957.22 is: 2,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.70 : 3,310.23 = 1,957.22 : x
  2. Step 2: Convert to fraction form
    2,400.70/3,310.23 = 1,957.22/x
  3. Step 3: Cross multiply
    2,400.70x = 3,310.23 × 1,957.22
  4. Step 4: Simplify right side
    2,400.70x = 6,478,848.36
  5. Step 5: Solve for x
    x = 6,478,848.36/2,400.70
  6. Step 6: Final answer
    x = 2,698.73

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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.