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Finding the Fourth Proportional to 4,331.94, 5,978.13 and 2,443.35

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Solution

The fourth proportional to 4,331.94, 5,978.13 and 2,443.35 is: 3,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.94 : 5,978.13 = 2,443.35 : x
  2. Step 2: Convert to fraction form
    4,331.94/5,978.13 = 2,443.35/x
  3. Step 3: Cross multiply
    4,331.94x = 5,978.13 × 2,443.35
  4. Step 4: Simplify right side
    4,331.94x = 14,606,663.94
  5. Step 5: Solve for x
    x = 14,606,663.94/4,331.94
  6. Step 6: Final answer
    x = 3,371.85

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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.