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Finding the Fourth Proportional to 3,152.75, 4,350.80 and 1,755.83

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Solution

The fourth proportional to 3,152.75, 4,350.80 and 1,755.83 is: 2,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.75 : 4,350.80 = 1,755.83 : x
  2. Step 2: Convert to fraction form
    3,152.75/4,350.80 = 1,755.83/x
  3. Step 3: Cross multiply
    3,152.75x = 4,350.80 × 1,755.83
  4. Step 4: Simplify right side
    3,152.75x = 7,639,256.38
  5. Step 5: Solve for x
    x = 7,639,256.38/3,152.75
  6. Step 6: Final answer
    x = 2,423.05

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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.