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Finding the Fourth Proportional to 3,725.58, 5,140.35 and 2,483.58

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Solution

The fourth proportional to 3,725.58, 5,140.35 and 2,483.58 is: 3,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.58 : 5,140.35 = 2,483.58 : x
  2. Step 2: Convert to fraction form
    3,725.58/5,140.35 = 2,483.58/x
  3. Step 3: Cross multiply
    3,725.58x = 5,140.35 × 2,483.58
  4. Step 4: Simplify right side
    3,725.58x = 12,766,470.45
  5. Step 5: Solve for x
    x = 12,766,470.45/3,725.58
  6. Step 6: Final answer
    x = 3,426.71

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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.