Home / 4,847.40-7,274.88-2,511.36

Finding the Fourth Proportional to 4,847.40, 7,274.88 and 2,511.36

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Solution

The fourth proportional to 4,847.40, 7,274.88 and 2,511.36 is: 3,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.40 : 7,274.88 = 2,511.36 : x
  2. Step 2: Convert to fraction form
    4,847.40/7,274.88 = 2,511.36/x
  3. Step 3: Cross multiply
    4,847.40x = 7,274.88 × 2,511.36
  4. Step 4: Simplify right side
    4,847.40x = 18,269,842.64
  5. Step 5: Solve for x
    x = 18,269,842.64/4,847.40
  6. Step 6: Final answer
    x = 3,769.00

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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.