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Finding the Fourth Proportional to 3,602.07, 5,402.91 and 1,136.85

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Solution

The fourth proportional to 3,602.07, 5,402.91 and 1,136.85 is: 1,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.07 : 5,402.91 = 1,136.85 : x
  2. Step 2: Convert to fraction form
    3,602.07/5,402.91 = 1,136.85/x
  3. Step 3: Cross multiply
    3,602.07x = 5,402.91 × 1,136.85
  4. Step 4: Simplify right side
    3,602.07x = 6,142,298.23
  5. Step 5: Solve for x
    x = 6,142,298.23/3,602.07
  6. Step 6: Final answer
    x = 1,705.21

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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.