Home / 5,188.72-7,783.08-2,266.66

Finding the Fourth Proportional to 5,188.72, 7,783.08 and 2,266.66

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Solution

The fourth proportional to 5,188.72, 7,783.08 and 2,266.66 is: 3,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.72 : 7,783.08 = 2,266.66 : x
  2. Step 2: Convert to fraction form
    5,188.72/7,783.08 = 2,266.66/x
  3. Step 3: Cross multiply
    5,188.72x = 7,783.08 × 2,266.66
  4. Step 4: Simplify right side
    5,188.72x = 17,641,596.11
  5. Step 5: Solve for x
    x = 17,641,596.11/5,188.72
  6. Step 6: Final answer
    x = 3,399.99

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Similar ratio
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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.