Home / 4,812.57-7,221.69-2,039.04

Finding the Fourth Proportional to 4,812.57, 7,221.69 and 2,039.04

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Solution

The fourth proportional to 4,812.57, 7,221.69 and 2,039.04 is: 3,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.57 : 7,221.69 = 2,039.04 : x
  2. Step 2: Convert to fraction form
    4,812.57/7,221.69 = 2,039.04/x
  3. Step 3: Cross multiply
    4,812.57x = 7,221.69 × 2,039.04
  4. Step 4: Simplify right side
    4,812.57x = 14,725,314.78
  5. Step 5: Solve for x
    x = 14,725,314.78/4,812.57
  6. Step 6: Final answer
    x = 3,059.76

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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.