Home / 3,487.35-4,812.01-2,229.53

Finding the Fourth Proportional to 3,487.35, 4,812.01 and 2,229.53

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Solution

The fourth proportional to 3,487.35, 4,812.01 and 2,229.53 is: 3,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.35 : 4,812.01 = 2,229.53 : x
  2. Step 2: Convert to fraction form
    3,487.35/4,812.01 = 2,229.53/x
  3. Step 3: Cross multiply
    3,487.35x = 4,812.01 × 2,229.53
  4. Step 4: Simplify right side
    3,487.35x = 10,728,491.02
  5. Step 5: Solve for x
    x = 10,728,491.02/3,487.35
  6. Step 6: Final answer
    x = 3,076.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.