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Finding the Fourth Proportional to 2,935.70, 4,393.03 and 2,740.17

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Solution

The fourth proportional to 2,935.70, 4,393.03 and 2,740.17 is: 4,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.70 : 4,393.03 = 2,740.17 : x
  2. Step 2: Convert to fraction form
    2,935.70/4,393.03 = 2,740.17/x
  3. Step 3: Cross multiply
    2,935.70x = 4,393.03 × 2,740.17
  4. Step 4: Simplify right side
    2,935.70x = 12,037,649.02
  5. Step 5: Solve for x
    x = 12,037,649.02/2,935.70
  6. Step 6: Final answer
    x = 4,100.44

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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.