Home / 5,618.20-8,423.70-2,332.60

Finding the Fourth Proportional to 5,618.20, 8,423.70 and 2,332.60

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Solution

The fourth proportional to 5,618.20, 8,423.70 and 2,332.60 is: 3,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.20 : 8,423.70 = 2,332.60 : x
  2. Step 2: Convert to fraction form
    5,618.20/8,423.70 = 2,332.60/x
  3. Step 3: Cross multiply
    5,618.20x = 8,423.70 × 2,332.60
  4. Step 4: Simplify right side
    5,618.20x = 19,649,122.62
  5. Step 5: Solve for x
    x = 19,649,122.62/5,618.20
  6. Step 6: Final answer
    x = 3,497.41

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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.