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Finding the Fourth Proportional to 4,877.62, 6,734.54 and 3,756.78

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Solution

The fourth proportional to 4,877.62, 6,734.54 and 3,756.78 is: 5,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.62 : 6,734.54 = 3,756.78 : x
  2. Step 2: Convert to fraction form
    4,877.62/6,734.54 = 3,756.78/x
  3. Step 3: Cross multiply
    4,877.62x = 6,734.54 × 3,756.78
  4. Step 4: Simplify right side
    4,877.62x = 25,300,194.57
  5. Step 5: Solve for x
    x = 25,300,194.57/4,877.62
  6. Step 6: Final answer
    x = 5,187.00

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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.