Home / 4,812.20-7,218.78-1,733.48

Finding the Fourth Proportional to 4,812.20, 7,218.78 and 1,733.48

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Solution

The fourth proportional to 4,812.20, 7,218.78 and 1,733.48 is: 2,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.20 : 7,218.78 = 1,733.48 : x
  2. Step 2: Convert to fraction form
    4,812.20/7,218.78 = 1,733.48/x
  3. Step 3: Cross multiply
    4,812.20x = 7,218.78 × 1,733.48
  4. Step 4: Simplify right side
    4,812.20x = 12,513,610.75
  5. Step 5: Solve for x
    x = 12,513,610.75/4,812.20
  6. Step 6: Final answer
    x = 2,600.39

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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.