Home / 3,563.20-4,909.16-2,485.44

Finding the Fourth Proportional to 3,563.20, 4,909.16 and 2,485.44

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Solution

The fourth proportional to 3,563.20, 4,909.16 and 2,485.44 is: 3,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.20 : 4,909.16 = 2,485.44 : x
  2. Step 2: Convert to fraction form
    3,563.20/4,909.16 = 2,485.44/x
  3. Step 3: Cross multiply
    3,563.20x = 4,909.16 × 2,485.44
  4. Step 4: Simplify right side
    3,563.20x = 12,201,428.84
  5. Step 5: Solve for x
    x = 12,201,428.84/3,563.20
  6. Step 6: Final answer
    x = 3,424.29

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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.