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Finding the Fourth Proportional to 7,157.51, 10,734.20 and 2,997.42

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Solution

The fourth proportional to 7,157.51, 10,734.20 and 2,997.42 is: 4,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.51 : 10,734.20 = 2,997.42 : x
  2. Step 2: Convert to fraction form
    7,157.51/10,734.20 = 2,997.42/x
  3. Step 3: Cross multiply
    7,157.51x = 10,734.20 × 2,997.42
  4. Step 4: Simplify right side
    7,157.51x = 32,174,878.62
  5. Step 5: Solve for x
    x = 32,174,878.62/7,157.51
  6. Step 6: Final answer
    x = 4,495.26

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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.