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Finding the Fourth Proportional to 2,891.37, 4,333.46 and 1,503.98

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Solution

The fourth proportional to 2,891.37, 4,333.46 and 1,503.98 is: 2,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.37 : 4,333.46 = 1,503.98 : x
  2. Step 2: Convert to fraction form
    2,891.37/4,333.46 = 1,503.98/x
  3. Step 3: Cross multiply
    2,891.37x = 4,333.46 × 1,503.98
  4. Step 4: Simplify right side
    2,891.37x = 6,517,407.98
  5. Step 5: Solve for x
    x = 6,517,407.98/2,891.37
  6. Step 6: Final answer
    x = 2,254.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.