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Finding the Fourth Proportional to 2,397.58, 3,571.07 and 2,290.96

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Solution

The fourth proportional to 2,397.58, 3,571.07 and 2,290.96 is: 3,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.58 : 3,571.07 = 2,290.96 : x
  2. Step 2: Convert to fraction form
    2,397.58/3,571.07 = 2,290.96/x
  3. Step 3: Cross multiply
    2,397.58x = 3,571.07 × 2,290.96
  4. Step 4: Simplify right side
    2,397.58x = 8,181,178.53
  5. Step 5: Solve for x
    x = 8,181,178.53/2,397.58
  6. Step 6: Final answer
    x = 3,412.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.