Home / 3,515.20-4,844.80-3,351.04

Finding the Fourth Proportional to 3,515.20, 4,844.80 and 3,351.04

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Solution

The fourth proportional to 3,515.20, 4,844.80 and 3,351.04 is: 4,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.20 : 4,844.80 = 3,351.04 : x
  2. Step 2: Convert to fraction form
    3,515.20/4,844.80 = 3,351.04/x
  3. Step 3: Cross multiply
    3,515.20x = 4,844.80 × 3,351.04
  4. Step 4: Simplify right side
    3,515.20x = 16,235,118.59
  5. Step 5: Solve for x
    x = 16,235,118.59/3,515.20
  6. Step 6: Final answer
    x = 4,618.55

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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.