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Finding the Fourth Proportional to 3,608.52, 5,412.24 and 1,143.01

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Solution

The fourth proportional to 3,608.52, 5,412.24 and 1,143.01 is: 1,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.52 : 5,412.24 = 1,143.01 : x
  2. Step 2: Convert to fraction form
    3,608.52/5,412.24 = 1,143.01/x
  3. Step 3: Cross multiply
    3,608.52x = 5,412.24 × 1,143.01
  4. Step 4: Simplify right side
    3,608.52x = 6,186,254.42
  5. Step 5: Solve for x
    x = 6,186,254.42/3,608.52
  6. Step 6: Final answer
    x = 1,714.34

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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.