Home / 3,224.16-4,452.96-2,874.24

Finding the Fourth Proportional to 3,224.16, 4,452.96 and 2,874.24

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Solution

The fourth proportional to 3,224.16, 4,452.96 and 2,874.24 is: 3,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.16 : 4,452.96 = 2,874.24 : x
  2. Step 2: Convert to fraction form
    3,224.16/4,452.96 = 2,874.24/x
  3. Step 3: Cross multiply
    3,224.16x = 4,452.96 × 2,874.24
  4. Step 4: Simplify right side
    3,224.16x = 12,798,875.75
  5. Step 5: Solve for x
    x = 12,798,875.75/3,224.16
  6. Step 6: Final answer
    x = 3,969.68

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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.