Home / 4,102.88-5,662.28-2,335.05

Finding the Fourth Proportional to 4,102.88, 5,662.28 and 2,335.05

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Solution

The fourth proportional to 4,102.88, 5,662.28 and 2,335.05 is: 3,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.88 : 5,662.28 = 2,335.05 : x
  2. Step 2: Convert to fraction form
    4,102.88/5,662.28 = 2,335.05/x
  3. Step 3: Cross multiply
    4,102.88x = 5,662.28 × 2,335.05
  4. Step 4: Simplify right side
    4,102.88x = 13,221,695.24
  5. Step 5: Solve for x
    x = 13,221,695.24/4,102.88
  6. Step 6: Final answer
    x = 3,222.54

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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.