Home / 5,658.10-8,487.15-4,122.10

Finding the Fourth Proportional to 5,658.10, 8,487.15 and 4,122.10

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Solution

The fourth proportional to 5,658.10, 8,487.15 and 4,122.10 is: 6,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.10 : 8,487.15 = 4,122.10 : x
  2. Step 2: Convert to fraction form
    5,658.10/8,487.15 = 4,122.10/x
  3. Step 3: Cross multiply
    5,658.10x = 8,487.15 × 4,122.10
  4. Step 4: Simplify right side
    5,658.10x = 34,984,881.02
  5. Step 5: Solve for x
    x = 34,984,881.02/5,658.10
  6. Step 6: Final answer
    x = 6,183.15

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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.