Home / 3,445.59-4,757.64-2,251.40

Finding the Fourth Proportional to 3,445.59, 4,757.64 and 2,251.40

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Solution

The fourth proportional to 3,445.59, 4,757.64 and 2,251.40 is: 3,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.59 : 4,757.64 = 2,251.40 : x
  2. Step 2: Convert to fraction form
    3,445.59/4,757.64 = 2,251.40/x
  3. Step 3: Cross multiply
    3,445.59x = 4,757.64 × 2,251.40
  4. Step 4: Simplify right side
    3,445.59x = 10,711,318.47
  5. Step 5: Solve for x
    x = 10,711,318.47/3,445.59
  6. Step 6: Final answer
    x = 3,108.71

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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.