Home / 4,190.56-5,782.98-2,422.16

Finding the Fourth Proportional to 4,190.56, 5,782.98 and 2,422.16

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Solution

The fourth proportional to 4,190.56, 5,782.98 and 2,422.16 is: 3,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.56 : 5,782.98 = 2,422.16 : x
  2. Step 2: Convert to fraction form
    4,190.56/5,782.98 = 2,422.16/x
  3. Step 3: Cross multiply
    4,190.56x = 5,782.98 × 2,422.16
  4. Step 4: Simplify right side
    4,190.56x = 14,007,302.84
  5. Step 5: Solve for x
    x = 14,007,302.84/4,190.56
  6. Step 6: Final answer
    x = 3,342.58

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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.