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Finding the Fourth Proportional to 2,157.64, 3,236.46 and 597.66

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Solution

The fourth proportional to 2,157.64, 3,236.46 and 597.66 is: 896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.64 : 3,236.46 = 597.66 : x
  2. Step 2: Convert to fraction form
    2,157.64/3,236.46 = 597.66/x
  3. Step 3: Cross multiply
    2,157.64x = 3,236.46 × 597.66
  4. Step 4: Simplify right side
    2,157.64x = 1,934,302.68
  5. Step 5: Solve for x
    x = 1,934,302.68/2,157.64
  6. Step 6: Final answer
    x = 896.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.