Home / 3,372.53-4,654.70-2,178.99

Finding the Fourth Proportional to 3,372.53, 4,654.70 and 2,178.99

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Solution

The fourth proportional to 3,372.53, 4,654.70 and 2,178.99 is: 3,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.53 : 4,654.70 = 2,178.99 : x
  2. Step 2: Convert to fraction form
    3,372.53/4,654.70 = 2,178.99/x
  3. Step 3: Cross multiply
    3,372.53x = 4,654.70 × 2,178.99
  4. Step 4: Simplify right side
    3,372.53x = 10,142,533.86
  5. Step 5: Solve for x
    x = 10,142,533.86/3,372.53
  6. Step 6: Final answer
    x = 3,007.40

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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.