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Finding the Fourth Proportional to 3,608.03, 5,411.59 and 1,143.10

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Solution

The fourth proportional to 3,608.03, 5,411.59 and 1,143.10 is: 1,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.03 : 5,411.59 = 1,143.10 : x
  2. Step 2: Convert to fraction form
    3,608.03/5,411.59 = 1,143.10/x
  3. Step 3: Cross multiply
    3,608.03x = 5,411.59 × 1,143.10
  4. Step 4: Simplify right side
    3,608.03x = 6,185,988.53
  5. Step 5: Solve for x
    x = 6,185,988.53/3,608.03
  6. Step 6: Final answer
    x = 1,714.51

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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.