Home / 3,099.45-4,280.49-2,435.25

Finding the Fourth Proportional to 3,099.45, 4,280.49 and 2,435.25

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Solution

The fourth proportional to 3,099.45, 4,280.49 and 2,435.25 is: 3,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.45 : 4,280.49 = 2,435.25 : x
  2. Step 2: Convert to fraction form
    3,099.45/4,280.49 = 2,435.25/x
  3. Step 3: Cross multiply
    3,099.45x = 4,280.49 × 2,435.25
  4. Step 4: Simplify right side
    3,099.45x = 10,424,063.27
  5. Step 5: Solve for x
    x = 10,424,063.27/3,099.45
  6. Step 6: Final answer
    x = 3,363.20

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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.