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Finding the Fourth Proportional to 5,680.01, 8,520.03 and 1,520.03

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Solution

The fourth proportional to 5,680.01, 8,520.03 and 1,520.03 is: 2,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.01 : 8,520.03 = 1,520.03 : x
  2. Step 2: Convert to fraction form
    5,680.01/8,520.03 = 1,520.03/x
  3. Step 3: Cross multiply
    5,680.01x = 8,520.03 × 1,520.03
  4. Step 4: Simplify right side
    5,680.01x = 12,950,658.60
  5. Step 5: Solve for x
    x = 12,950,658.60/5,680.01
  6. Step 6: Final answer
    x = 2,280.04

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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.