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Finding the Fourth Proportional to 5,602.62, 8,402.58 and 2,480.90

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Solution

The fourth proportional to 5,602.62, 8,402.58 and 2,480.90 is: 3,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.62 : 8,402.58 = 2,480.90 : x
  2. Step 2: Convert to fraction form
    5,602.62/8,402.58 = 2,480.90/x
  3. Step 3: Cross multiply
    5,602.62x = 8,402.58 × 2,480.90
  4. Step 4: Simplify right side
    5,602.62x = 20,845,960.72
  5. Step 5: Solve for x
    x = 20,845,960.72/5,602.62
  6. Step 6: Final answer
    x = 3,720.75

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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.