Home / 3,318.59-4,577.74-2,074.43

Finding the Fourth Proportional to 3,318.59, 4,577.74 and 2,074.43

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Solution

The fourth proportional to 3,318.59, 4,577.74 and 2,074.43 is: 2,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.59 : 4,577.74 = 2,074.43 : x
  2. Step 2: Convert to fraction form
    3,318.59/4,577.74 = 2,074.43/x
  3. Step 3: Cross multiply
    3,318.59x = 4,577.74 × 2,074.43
  4. Step 4: Simplify right side
    3,318.59x = 9,496,178.30
  5. Step 5: Solve for x
    x = 9,496,178.30/3,318.59
  6. Step 6: Final answer
    x = 2,861.51

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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.