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Finding the Fourth Proportional to 3,798.36, 5,689.98 and 2,340.36

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Solution

The fourth proportional to 3,798.36, 5,689.98 and 2,340.36 is: 3,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.36 : 5,689.98 = 2,340.36 : x
  2. Step 2: Convert to fraction form
    3,798.36/5,689.98 = 2,340.36/x
  3. Step 3: Cross multiply
    3,798.36x = 5,689.98 × 2,340.36
  4. Step 4: Simplify right side
    3,798.36x = 13,316,601.59
  5. Step 5: Solve for x
    x = 13,316,601.59/3,798.36
  6. Step 6: Final answer
    x = 3,505.88

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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.