Home / 4,189.48-5,782.19-2,422.11

Finding the Fourth Proportional to 4,189.48, 5,782.19 and 2,422.11

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Solution

The fourth proportional to 4,189.48, 5,782.19 and 2,422.11 is: 3,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.48 : 5,782.19 = 2,422.11 : x
  2. Step 2: Convert to fraction form
    4,189.48/5,782.19 = 2,422.11/x
  3. Step 3: Cross multiply
    4,189.48x = 5,782.19 × 2,422.11
  4. Step 4: Simplify right side
    4,189.48x = 14,005,100.22
  5. Step 5: Solve for x
    x = 14,005,100.22/4,189.48
  6. Step 6: Final answer
    x = 3,342.92

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Half 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.