Home / 4,100.90-5,659.96-2,422.19

Finding the Fourth Proportional to 4,100.90, 5,659.96 and 2,422.19

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Solution

The fourth proportional to 4,100.90, 5,659.96 and 2,422.19 is: 3,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.90 : 5,659.96 = 2,422.19 : x
  2. Step 2: Convert to fraction form
    4,100.90/5,659.96 = 2,422.19/x
  3. Step 3: Cross multiply
    4,100.90x = 5,659.96 × 2,422.19
  4. Step 4: Simplify right side
    4,100.90x = 13,709,498.51
  5. Step 5: Solve for x
    x = 13,709,498.51/4,100.90
  6. Step 6: Final answer
    x = 3,343.05

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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.