Home / 4,909.08-6,773.78-3,020.12

Finding the Fourth Proportional to 4,909.08, 6,773.78 and 3,020.12

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Solution

The fourth proportional to 4,909.08, 6,773.78 and 3,020.12 is: 4,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.08 : 6,773.78 = 3,020.12 : x
  2. Step 2: Convert to fraction form
    4,909.08/6,773.78 = 3,020.12/x
  3. Step 3: Cross multiply
    4,909.08x = 6,773.78 × 3,020.12
  4. Step 4: Simplify right side
    4,909.08x = 20,457,628.45
  5. Step 5: Solve for x
    x = 20,457,628.45/4,909.08
  6. Step 6: Final answer
    x = 4,167.30

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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.