Home / 5,182.99-7,157.26-3,774.80

Finding the Fourth Proportional to 5,182.99, 7,157.26 and 3,774.80

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Solution

The fourth proportional to 5,182.99, 7,157.26 and 3,774.80 is: 5,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.99 : 7,157.26 = 3,774.80 : x
  2. Step 2: Convert to fraction form
    5,182.99/7,157.26 = 3,774.80/x
  3. Step 3: Cross multiply
    5,182.99x = 7,157.26 × 3,774.80
  4. Step 4: Simplify right side
    5,182.99x = 27,017,247.66
  5. Step 5: Solve for x
    x = 27,017,247.66/5,182.99
  6. Step 6: Final answer
    x = 5,212.68

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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.