Home / 5,247.72-7,862.94-3,666.60

Finding the Fourth Proportional to 5,247.72, 7,862.94 and 3,666.60

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Solution

The fourth proportional to 5,247.72, 7,862.94 and 3,666.60 is: 5,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.72 : 7,862.94 = 3,666.60 : x
  2. Step 2: Convert to fraction form
    5,247.72/7,862.94 = 3,666.60/x
  3. Step 3: Cross multiply
    5,247.72x = 7,862.94 × 3,666.60
  4. Step 4: Simplify right side
    5,247.72x = 28,830,255.80
  5. Step 5: Solve for x
    x = 28,830,255.80/5,247.72
  6. Step 6: Final answer
    x = 5,493.86

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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.