Home / 3,270.22-4,903.70-1,513.72

Finding the Fourth Proportional to 3,270.22, 4,903.70 and 1,513.72

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Solution

The fourth proportional to 3,270.22, 4,903.70 and 1,513.72 is: 2,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.22 : 4,903.70 = 1,513.72 : x
  2. Step 2: Convert to fraction form
    3,270.22/4,903.70 = 1,513.72/x
  3. Step 3: Cross multiply
    3,270.22x = 4,903.70 × 1,513.72
  4. Step 4: Simplify right side
    3,270.22x = 7,422,813.53
  5. Step 5: Solve for x
    x = 7,422,813.53/3,270.22
  6. Step 6: Final answer
    x = 2,269.82

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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.