Home / 5,900.45-8,142.80-3,382.29

Finding the Fourth Proportional to 5,900.45, 8,142.80 and 3,382.29

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Solution

The fourth proportional to 5,900.45, 8,142.80 and 3,382.29 is: 4,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,900.45 : 8,142.80 = 3,382.29 : x
  2. Step 2: Convert to fraction form
    5,900.45/8,142.80 = 3,382.29/x
  3. Step 3: Cross multiply
    5,900.45x = 8,142.80 × 3,382.29
  4. Step 4: Simplify right side
    5,900.45x = 27,541,294.10
  5. Step 5: Solve for x
    x = 27,541,294.10/5,900.45
  6. Step 6: Final answer
    x = 4,667.66

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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.