Home / 3,267.02-4,505.08-3,078.70

Finding the Fourth Proportional to 3,267.02, 4,505.08 and 3,078.70

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Solution

The fourth proportional to 3,267.02, 4,505.08 and 3,078.70 is: 4,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.02 : 4,505.08 = 3,078.70 : x
  2. Step 2: Convert to fraction form
    3,267.02/4,505.08 = 3,078.70/x
  3. Step 3: Cross multiply
    3,267.02x = 4,505.08 × 3,078.70
  4. Step 4: Simplify right side
    3,267.02x = 13,869,789.80
  5. Step 5: Solve for x
    x = 13,869,789.80/3,267.02
  6. Step 6: Final answer
    x = 4,245.39

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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.