Home / 5,891.30-8,858.55-4,940.90

Finding the Fourth Proportional to 5,891.30, 8,858.55 and 4,940.90

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Solution

The fourth proportional to 5,891.30, 8,858.55 and 4,940.90 is: 7,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.30 : 8,858.55 = 4,940.90 : x
  2. Step 2: Convert to fraction form
    5,891.30/8,858.55 = 4,940.90/x
  3. Step 3: Cross multiply
    5,891.30x = 8,858.55 × 4,940.90
  4. Step 4: Simplify right side
    5,891.30x = 43,769,209.70
  5. Step 5: Solve for x
    x = 43,769,209.70/5,891.30
  6. Step 6: Final answer
    x = 7,429.47

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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.