Home / 4,190.99-5,782.88-2,422.49

Finding the Fourth Proportional to 4,190.99, 5,782.88 and 2,422.49

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Solution

The fourth proportional to 4,190.99, 5,782.88 and 2,422.49 is: 3,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.99 : 5,782.88 = 2,422.49 : x
  2. Step 2: Convert to fraction form
    4,190.99/5,782.88 = 2,422.49/x
  3. Step 3: Cross multiply
    4,190.99x = 5,782.88 × 2,422.49
  4. Step 4: Simplify right side
    4,190.99x = 14,008,956.86
  5. Step 5: Solve for x
    x = 14,008,956.86/4,190.99
  6. Step 6: Final answer
    x = 3,342.64

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Double scale
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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.